Guide to independent study through correspondence instruction National University Extension Association Independent Study Division. Guide Committee. Peterson's Guides, inc National University Extension Association text nj Princenton, M.J Paterson's Guides [1980] 1980 monographic eng
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103 p. John Hunter, editor. Correspondence schools and courses United States Directories University extension United States Directories LC5951 .N34a 378.1/554/02573 fel01000657 //r832 940323 20160527183617.0 161891