Environment series
Harvest House
Robert W. Collier
Harvest House 1975, c1974 Environment series
所蔵館1館
Asit K. Biswas, editor
Harvest House 1974 Environment series
1 , 2
所蔵館2館
R. W. G. Bryant
Harvest House c1972 Environment series
edited by Michael Wheeler
Harvest House c1969 Environment series
L.O. Gertler, editor
Harvest House 1968 Environment series
Michael Hugo-Brunt