Richard Orr

Bears

1979

Apes

1979

Life Underground

2023

Jungles

1992

Dinosaurs

1979

Closer Look at Dogs

1978

Closer Look at Apes

1979

Bird Atlas

2021

Spiders

1971

Sovran's Eye

2010

O&CB Streetcars of Omaha & Council Bluffs

1996

Nature Cross-sections

1995

Lions and tigers

1993

Leben am Nord- und Südpol. Natur im Panorama. ( Ab 8 J.).

2002

Jungles

1982

Greek and Roman Views on the Afterlife (Higher Still Support)

1998

Fossil Hunting

1977

Deadly Creatures

1977