Text ( visual ) : unmediated Credits and collections in theory and practice / by Theodore N. Beckman. -- 4th ed. -- New York : McGraw-Hill , 1939. -- xvii, 618 p. : ill., forms ; 24 cm. -- Description based on 4th impression ; Includes bibliographical references and index. -- (BB00263929) ; https://ci.nii.ac.jp/ncid/BB00263929 Author Heading(s): Beckman, Theodore N.. -- Classification(s): LCC : HF5566 ; DC : 658.88. -- Subject Heading(s): LCSH : Credit ; LCSH : Collecting of accounts