Text ( visual ) : unmediated Selected readings in economics / by Charles J. Bullock. -- Boston : Ginn , c1907. -- ix, 705 p., [1] folded leaf of plates : ill., maps ; 22 cm. -- (Selections and documents in economics / edited by William Z. Ripley). -- (BA02448462) ; https://ci.nii.ac.jp/ncid/BA02448462 Author Heading(s): Bullock, Charles Jesse. -- Classification(s): LCC : HB171.5. -- Subject Heading(s): LCSH : Economics