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Johnson's Mexico.
Map shows mid-nineteenth century Mexico states, major cities, roads and a proposed railroad across the Isthmus of Tehuantepec. Inset: "Territory and Isthmus of Tehuantepec." Relief shown by hachures. Scale [ca. 1:8,389,700].
Date:
1863
Creator:
A. J. Johnson & Co.
Object Type:
Map
System:
The Portal to Texas History
Biodiversity of Dragonflies and Damselflies (Odonata) of the South-Central Nearctic and Adjacent Neotropical Biotic Provinces
The south-central United States serves as an important biogeographical link and dispersal corridor between Nearctic and Neotropical elements of western hemisphere odonate faunas. Its species are reasonably well known because of substantial collections, but there has been no concerted effort to document the extent of biodiversity and possible geographic affinities of dragonflies and damselflies of this region. The recent discoveries of Argia leonorae Garrison, Gomphus gonzalezi Dunkle and Erpetogomphus heterodon Garrison from southern and western Texas and northern Mexico suggest that Odonata species remain to be discovered in this area, particularly from far south Texas and northern Mexico. I have documented a total of 12,515 records of Odonata found in 408 counties within the south-central U.S. A total of 73 species of damselflies and 160 species of dragonflies was revealed in the region. The 233 (197 in Texas) Odonata species are distributed among 10 families and 66 genera. Illustrated family, generic, and species-level keys are provided. Since the beginning of this work in the Fall of 1993, one species has been added each to the Louisiana and Oklahoma faunas, and 12 species have been added, previously unreported from Texas, including four new to the U.S. The area of highest Odonata …
Date:
May 1999
Creator:
Abbott, John C.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
[Letter from M. A. Abernathy to Thomas Leroy James, August 11, 1954]
Letter from M. A. Abernathy to Thomas Leroy James discussing a gas contract with the United Gas Pipe Line Company.
Date:
August 11, 1954
Creator:
Abernathy, M. A.
Object Type:
Letter
System:
The Portal to Texas History
Juneteenth Texas: Essays in African-American Folklore
Volume of essays about African-American folklore, including reminiscences of African-American folk culture in Texas, studies of specific genres of folklore, information about Texas-African food-ways, studies of specific performers, information about songs and other folklore. The index begins on page 353.
Date:
1996
Creator:
Abernethy, Francis Edward
Object Type:
Book
System:
The UNT Digital Library
Juneteenth Texas: Essays in African-American Folklore
Volume of essays about African-American folklore, including reminiscences of African-American folk culture in Texas, studies of specific genres of folklore, information about Texas-African food-ways, studies of specific performers, information about songs and other folklore. The index begins on page 353.
Date:
2017
Creator:
Abernethy, Francis Edward
Object Type:
Book
System:
The UNT Digital Library
Paisanos: A Folklore Miscellany
Collection of Texas and Mexican folklore, including "folk tales, folklore in journalism, reflections on the lore of the past, and some analyses of folklore generally" (inside of the front cover).
Date:
1978
Creator:
Abernethy, Francis Edward
Object Type:
Book
System:
The UNT Digital Library
Paisanos: A Folklore Miscellany
Collection of Texas and Mexican folklore, including "folk tales, folklore in journalism, reflections on the lore of the past, and some analyses of folklore generally" (inside of the front cover).
Date:
2017
Creator:
Abernethy, Francis Edward
Object Type:
Book
System:
The UNT Digital Library
What's Going On? (In Modern Texas Folklore)
Volume of "a collection of essays by contemporary folklorists who are writing about the customs and traditions and the songs and the stories that are going on now" (inside the front cover). It includes information about the folklore of cowboys, rodeos, chain letters and marijuana, as well as information about country, swing and gospel music. Index begins on page 301.
Date:
2017
Creator:
Abernethy, Francis Edward
Object Type:
Book
System:
The UNT Digital Library
What's Going On? (In Modern Texas Folklore)
Volume of "a collection of essays by contemporary folklorists who are writing about the customs and traditions and the songs and the stories that are going on now" (inside the front cover). It includes information about the folklore of cowboys, rodeos, chain letters and marijuana, as well as information about country, swing and gospel music. Index begins on page 301.
Date:
1976
Creator:
Abernethy, Francis Edward
Object Type:
Book
System:
The UNT Digital Library
Convair Report to Supervision, Number 1027, August 23, 1978
Newsletter written for supervisors working at the Convair Division in Fort Worth containing news about events and activities, workplace reminders, and other relevant information.
Date:
August 23, 1978
Creator:
Adams, Richard E.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Convair Report to Supervision, Number 1031, October 25, 1978
Newsletter written for supervisors working at the Convair Division in Fort Worth containing news about events and activities, workplace reminders, and other relevant information.
Date:
October 25, 1978
Creator:
Adams, Richard E.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
[Naval Reserve Bulletin No. 14, May 28, 1946]
Memorandum from Arthur A. Ageton outlining an organizational visit to Galveston with meetings, a lunceon and a movie screening, extending an invitation to all men and citizens to attend and providing times and places.
Date:
May 28, 1946
Creator:
Ageton, Arthur A.
Object Type:
Letter
System:
The Portal to Texas History
An Investigation of Factors Deterring Participation in Continuing Professional Education
This study was conceived as an attempt to determine .and analyze factors deterring participation in continuing professional education among social workers in environments where continuing education for relicensure is mandatory and voluntary. The specific research design implemented to complete this study was the ex-post facto descriptive design. The sample included 106 social workers randomly selected in the state of Texas where continuing education is mandatory and 94 social workers in the state of Louisiana where continuing education is voluntary. The instrument used was the Deterrent to Participation Scale developed by Scanlan (1983) and a demographic inventory. Scanlan (1983) earlier identified six factors deterring participation in continuing professional education: Disengagement, Lack of Quality, Family Constraints, Cost, Lack of Benefit, and Work Constraints. The study concluded that social workers in both states considered work constraint as a major factor deterring participation in continuing professional education. Also the factors of cost and lack of quality were also considered as crucial barriers in their efforts to participate in continuing professional education. The Wilks' multivariate test of significance of the means and univariate F tests at alpha level p < .05 revealed differences in the combined mean scores of social workers in both states when …
Date:
December 1985
Creator:
Akintade, Aribigbola
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Turnip Aphid in the Southern States and Methods for Its Control
"The turnip aphid is one of the most destructive and widely distributed pests of turnip, mustard, radish, and related crops in the United States. It causes heavy losses to growers of these crops every year, especially in the Southern States. Dust mixtures containing derris, cube, or nicotine, and sprays containing derris or cube, will control the turnip aphid when applied properly. The first application of insecticides should be made when the plants are very small, and additional applications should be made at intervals of 7 to 14 days up to the time of harvest. To provide for effective application of insecticides, the seed of susceptible crops should be planted in drills, with the rows spaced uniformly apart. The following cultural practices aid in the successful production of crops exposed to turnip aphid attack: (1) A well-prepared, fertile seedbed to produce thrifty and rapidly growing plants, (2) planting the seed in drills to permit cultivation, (3) harvesting early to shorten the period of exposure to infestation, (4) destroying crop remnants to eliminate a common sources of infestation to succeeding crops, and (5) applying a nitrogenous fertilizer to stimulate plant growth." -- p. ii
Date:
1941
Creator:
Allen, Norman, 1900- & Harrison, P. K. (Perry Kips), b. 1891
Object Type:
Pamphlet
System:
The UNT Digital Library
Valve for Engines.
Patent for certain new and useful improvements in valves for steam engines, including instructions and illustrations.
Date:
November 8, 1898
Creator:
Allen, Walter J.
Object Type:
Patent
System:
The Portal to Texas History
Southwest Retort, Volume 6, Number 2, November 1953
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community. Published monthly during long academic semesters This special issue includes the general and technical programs for the Regional Conclave of the American Chemical Society.
Date:
November 1953
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 12, Number 3, November 1959
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community. Published monthly during long academic semesters. This issue includes program information for the regional meeting in Baton Rouge, Louisiana.
Date:
November 1959
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 12, Number 5, January 1960
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community. Published monthly during long academic semesters. This issue includes pictures from the Baton Rouge, Louisiana meet.
Date:
January 1960
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 14, Number 3, November 1961
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community. Published monthly during long academic semesters. This issue includes program information for the combined regional meeting in New Orleans, Louisiana.
Date:
November 1961
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 16, Number 9, May 1964
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community. Published monthly during long academic semesters. This issue includes news for the upcoming meeting in Shreveport, Louisiana.
Date:
May 1964
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 17, Number 1, September 1964
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community. Published monthly during long academic semesters. This issue includes information for the upcoming meeting in Shreveport, Louisiana.
Date:
September 1964
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 23, Number 1, September 1970
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community. Published monthly during long academic semesters. This issue includes information for the combined southeast-southwest meeting in New Orleans, Louisiana.
Date:
September 1970
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 23, Number 3, November 1970
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community. Published monthly during long academic semesters. This issue includes news for the regional in New Orleans, Louisiana.
Date:
November 1970
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Southwest Retort, Volume 31, Number 8, April 1979
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
April 1979
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library