1835-1919 1849-1919 1892 andrew biography business capitalistsandfinanciers charities collectionandpreservation commerce dinosaurs diplodocus exitoenlosnegocios finance fossils frick governmentbusinessenterprises governmentexecutives henryclay history historycarnegiesteelcompany homestead homesteadstrike industrialists management newage newthought nonfiction paleontology personalfinance personalgrowth salaries self-help self-helptechniques self-improvement steelindustryandtrade studyaids success successinbusiness successinbusinness unitedstates wealth workbooks éxito