Irwin PLAID series
Dow Jones-Irwin
Dow Jones-Irwin Personal Learning AID series
Paul B. Horton, Robert L. Horton ; coordinating editor, Roger H. Hermanson
Dow Jones-Irwim 1982 3rd ed Irwin PLAID series
所蔵館3館
Gordon B. Harwood ; coordinating editor, Roger H. Hermanson
Learning Systems Co. c1979 Irwin PLAID series
所蔵館18館
Robert N. Anthony ; coordinating editor, Roger H. Hermanson
Learning Systems Co. c1974 Irwin programmed learning aid series , Irwin PLAID series
所蔵館14館
Dow Jones-Irwin c1974 Irwin PLAID series
所蔵館6館