An undated catalog from the Schott School Supply Company, advertising various school supplies and related equipment.

A postcard from the Practical Drawing Company regarding an order for them to supply C. C. Cox's school in Splendora, Texas with textbooks.

An envelope from the Southern School-Book Depository, postmarked April 24, 1920, with handwriting from C. C. Cox on it.

Invoice for free textbooks provided to C. C. Cox by the Practical Drawing Company and the Texas State Board of Education.

Invoice for free textbooks provided to C. C. Cox by Practical Drawing Company, as part of Texas' free textbook law.

A pamphlet listing the Southern School-Book Depository's three library sets of textbooks for use in Texas public schools.

Invoice for free textbooks provided to C. C. Cox by Ginn and Company, as part of Texas' free textbook law.

An order form for Reynolds sanitary book covers to supply public school students in Texas.

A stamped ticket of the Gulf, Colorado & Santa Fe for a ride from Garland to Dallas, Texas.

A set of mailers advertising the New American Readers series, which was adopted by Texas as an option for free supplementary reading in public schools. Envelope is included.

An advertisement from the Southern School-Book Depository for a set of hairnets, and the inclusion of a set of world maps with every purchase of two cases.

Invoice for free textbooks provided to C. C. Cox by Practical Drawing Company, as part of Texas' free textbook law.

An invoice for school books and notice slip from the Texas School Book Depository to C. C. Cox, who signed it. Envelope is included.

Invoice for free textbooks provided to C. C. Cox by Ginn and Company as part of Texas' free textbook law.

A mailed catalog from the Emgee Sales Company, featuring sets of various products for buyers to resell, including jewelry, pistols, deluxe cigarette cases and cigar holders, and gold coins. A return envelope and the sending envelope are included.

Invoice for free textbooks provided to C. C. Cox by Practical Drawing Company, as part of Texas' free textbook law.

Six 2-cent stamps on a scrap of paper, with three Dallas, Texas postmarks on it.

A notebook sponsored by the Eucaline Medicine Company, advertising their tonic for fever treatment and weight gain. Every other page includes a brief testimonial above a space for notetaking; the opposite pages each have tables for calculating weight gain. There are handwritten notes from C. C. Cox on work-related topics on the cover, back, and first few pages.

A pamphlet from the War Savings Division of the Federal Reserve to American public schools with instructions for the celebration of Victory Savings Week, a national celebration and pledge drive for the first anniversary of World One One's end. Included are letters addressed to principals, teachers, and parents, specific instructions for schools on how to organize events and collect money pledges during the week, and lyrics for "thrift songs" to be sung. A return envelope and the sending envelope are included.

An unused return postcard from an advertisement for maps and hairnets of the Southern School-Book Depository.

Letter from Southern School-Book Depository to C. C. Cox introducing an invoice for books.

Letter from the Southern School-Book Depository to C. C. Cox requesting he forward a series of overdue invoices. The envelope is included.

Mass letter from Annie Webb Blanton, Texas state superintendent, introducing two invoices for school books from the Southern School-Book Depository. The envelope is included.

Letter from Louis M. Brown of the Southern School-Book Depository advertising copies of the game "Big Six" by famed baseball pitcher Christy Mathewson. Included is a return card for ordering the game.