Ritvo, Harriet (1946- ). ( w 1 rekordach )

1. The platypus and the mermaid, and other figments of the classifying imagination / Harriet Ritvo. - Cambridge [etc.], 1998.
2. LCC online

1. Ritvo, Harriet (1946- ).

1. Noble cows and hybrid zebras : essays an animals and history / Ritvo, Harriet