Entomology, with special reference to its biological and economic aspects - Folsom, Justus Watson, 1871 -1936 (P. Blakiston's son & co, 1913)

Entomology, with special reference to its biological and economic aspects - Folsom, Justus Watson, 1871 -1936 (Blakiston, 1913)

Entomology, with special reference to its biological and economic aspects - Folsom, Justus Watson, 1871 -1936 (P. Blakiston's, 1906)

Entomology, with special reference to its biological and economic aspects - Folsom, Justus Watson, 1871 -1936 (P. Blakiston's Son & Co, 1906)

Entomology, with special reference to its biological and economic aspects - Folsom, Justus Watson, 1871 -1936 (P. Blakiston's son & co, 1906)

Entomology with special reference to its biological and economic aspects - Folsom, Justus Watson, 1871 -1936 (Blakiston, 1914)

Entomology : with special reference to its ecological aspects - Folsom, Justus Watson, 1871 -1936 (P. Blakiston's Son, 1922)

Entomology, with special reference to its ecological aspects - Folsom, Justus Watson, 1871 -1936 (P. Blakiston, 1922)

Entomology, with special reference to its ecological aspects - Folsom, Justus Watson, 1871 -1936 (P. Blakiston's Son & Co, 1922)