The Magnificent Library of the Late Clarence H. Clark ... to be Sold ... March 7 ... 8 [March 28 and 29] 1910 ...
The Magnificent Library of the Late Clarence H. Clark ... Philadelphia ... To be Sold ... Catalogue Compiled and Sale Conducted by Stan. V. Henkels. At the Book Auction Rooms of Samuel T. Freeman & Co
A Descriptive Catalogue of the Books Forming the Library of Clarence H. Clark ... Philadelphia, Volume 1
A Descriptive Catalogue of the Books Forming the Library of Clarence H. Clark, Chestnut Wold, Pennsylvania
Comparison of Alfalfa and Western Wheatgrass Hays for Wintering Yearling Heifers in the Northern Great Plains and Their Influence on Summer Gains