Grand Canyon: The Hidden Secrets
1984
Mystery of the Maya
1995
Keeping Clean and Neat
1956
Puff, the Magic Dragon
1978
The Secret of Life on Earth
1993
A Chipmunk Christmas
1981
Lost Worlds: Life in the Balance
2001
Performing Animals; or, Skipping Dogs
1895
How the Telephone Talks
1919
Mysteries of Egypt
1998
