Wasps, social and solitary - Peckham, Elizabeth G. (Elizabeth Gifford), 1854 -1940 (Houghton, Mifflin & Company, 1905)

Wasps, social and solitary - Peckham, George W. (George Williams), 1845 -1914 (Houghton, Mifflin & Company, 1905)

Wasps, social and solitary - Peckham, Elizabeth G. (Elizabeth Gifford), 1854 -1940 (Constable, 1905)

Wasps, social and solitary - Peckham, George W. (George Williams), 1845 -1914 (Constable, 1905)