Cathryn P. Sill
1953
43 works on record
Works
About penguins
2009
About habitats
2008
About rodents
2008
About Marsupials
2006
About mollusks
2005
About crustaceans
2004
About Insects
2003
About Arachnids
2003
About Fish
2002
About Amphibians
2001
About Reptiles
1999
About Mammals
1997
About birds
1991
About hummingbirds
Seashores
About Parrots: A Guide for Children
About Mammals: A Guide for Children
About Habitats: Mountains
About Birds / Sobre los pájaros: A Guide for Children / Una guía para niños
About Penguins: A Guide for Children
Rivers and Streams
About Raptors: A Guide for Children
About Amphibians / Sobre los anfibios
About Woodpeckers
Curious About Insects
Curious about Fish
About Seabirds
2020
Curious about Birds
2020
About Reptiles / Sobre Los Reptiles
2016
[Pʻoltchak pʻoltchak yangsŏryu]
Polar regions
Curious about Mammals
About Parrots
Sobre Los Peces
About Insects : A Guide for Children / Sobre Los Insectos
Sobre Los Reptiles
Sobre Los Anfibios
About Marine Mammals
Sobre Los Pájaros
About Fish / Sobre Los Peces
Sobre Los Insectos
Mountains
Sobre Los Mamíferos