Encylopedia of scientific developments inventions and discoveries, Vol.1 /

av Davis, J. R. Ainsworth
Publicerad 1996

Encylopedia of scientific developments inventions and discoveries, Vol.2 /

av Davis, J. R. Ainsworth
Publicerad 1996

Encylopedia of scientific developments inventions and discoveries, Vol.3 /

av Davis, J. R. Ainsworth
Publicerad 1996

Encylopedia of scientific developments inventions and discoveries, Vol.4 /

av Davis, J. R. Ainsworth
Publicerad 1996

Encylopedia of scientific developments inventions and discoveries, Vol.5 /

av Davis, J. R. Ainsworth
Publicerad 1996

History of zoology and animal evolution

av Davis, J.R.Ainsworth
Publicerad 1988

Natural histroy of animals: the animals life of the world in its aspects and relations.Half

av Davis, J R Ainsworth

Science in modern life : a survey of scientific development, discovery and invention and their relations to human progress and industry . V.1

av Davis, J R Ainsworth
Publicerad 1910

Natural history of animals. Half vol. 6

av Davis, J R Ainsworth

Natural history of animals : animal life of the world in its various aspects and relations. V.2

av Davis, J.R.Ainsworth