Text ( visual ) : unmediated Economic analysis and agricultural policy / edited by Richard H. Day. -- 1st ed. -- Ames : Iowa State University Press , 1982. -- xvii, 368 p. : port. ; 24 cm. -- Essays in honor of Geoffrey Seddon Shepherd ; Includes bibliographies and index. -- ISBN 0813805325 ; (BA00336978) ; https://ci.nii.ac.jp/ncid/BA00336978 Author Heading(s): Day, Richard Hollis ; Shepherd, Geoffrey Seddon. -- Classification(s): LCC : HD1761 ; DC19 : 338.1/873. -- Subject Heading(s): LCSH : Agriculture and state -- United States -- Addresses, essays, lectures ; LCSH : Agriculture -- Economic aspects -- United States -- Addresses, essays, lectures ; LCSH : Shepherd, Geoffrey Seddon, 1898-