From Introduction: "Figure 1 shows the location of sources that have been either exploited or seriously considered at one time or another, super-imposed upon a map indicating by small letters the order of consumption of K2O in the leading States; the amount used in these States, together with the percentage of the total consumption of potash used as fertilizer in the United States in 1939, is given in table 1. Figure 2 shows the domestic production and total consumption of potassium salts, in terms of tons of K2O, with the value per unit at the plants, for each year since 1913. Considered together, these two figures tell a significant story."

Volume of popular folklore of Texas and Mexico, including religious anecdotes, stories about Native American dances, stories about petroleum and oil fields, folk songs, legends, customs and other miscellaneous folklore. The index begins on page 205.

Letter from Captain Edward Drew to Mickey McLernon apologizing for not replying, talking about military personnel, planes, and making other conversation.

Letter from Cornelia Yerkes discussing ferrying a P-40 from Buffalo to Columbia, SC, delays, returning to Dallas, and recent correspondence. Written on Eastern Air Lines stationary.

Letter from I. H. Kempner to H. K. Weston discussing about Christmas spirit and the whereabouts of Harris, Herbert and Cecile.