Contains information for the Environmental Studies series #70150; “Stauffer Seeds #830030;” “Funk Seeds #840350;” “Pioneer Hi-Brep [sic] #840590;” “Norfolk Southern 840490;” “How to Read a Book #845240;” “Marvels of Industrial Robots #846000; titles produced by Bill Walker; “DAVA [?] #850420;” news briefings; “Pampered Pigs #854070;” “Cable Gation [sic] #854080;” “Popcorn Newsbrief #854090;” “Deere: Sales Finance #854120;” “Deere: Agriculture Parts #854119;” “Open and Close #854200;” “Farm Toys – Deere #854202;” “Old [?] Houses #854203;” “Deere and Company: The Ice Harvest #854205;” “The Great Outhouse Race #854208;” “The Blotto Brothers #854209;” “Export Opportunities #854210;” “Second Income #854211;” “New Crops: Seeds of Promise #854212;” “Cotton Update #854213;” “Feeding Soybeans to Shrimp #854216;” “Vertebrates #855050;” “Insects: S and S [?] animation #855210;” “Cluck-Off #864212;” “Return of the Blotto Brothers #864213;” “Space Science #865110;” “Space Science for Elementary Grades #69080;” “Language: Mirror of Man’s Growth #70004-70008;” “Jobs in the City: Construction #70011;” “World History: Three Great Eras of Mankind #70012;” “Role of the Congressman #70101;” “Humans: One Species Among Many #72100;” “Americana: The Rural Telephone #73043;” “Jobs in the City: Distribution #70106;” “The Struggle for Vicksburg #73067;” “Gettysburg, 1863 #73068;” “Sir Johnny on the Spot #74505;” and financial records.