Text ( visual ) : unmediated Trusts, pools and corporations / edited with an introduction by W.Z. Ripley. -- Rev. ed. -- Boston : Ginn , 1916. -- xxxiii, 872 p. ; 22 cm. -- (Selections and documents in economics / edited by William Z. Ripley). -- (BA16706180) ; https://ci.nii.ac.jp/ncid/BA16706180 Author Heading(s): Ripley, William Zebina