American Creed
2018
Jumper & Singing Simon
1988
Health for the Americas: Insects as Carriers of Disease
1945
You and Your Sense of Touch
1955
Time for Table Manners
1987
Living with the Atom
1957
Líbat či nelíbat
1950
Něco za něco
1949
All About Airplanes
2008
It’s Just Good Manners
1995
Writing: Plain & Fancy
1981
Astronomy for You
1959
Diggers and Dumpers
2000
Elevado 3.5
2007
Living with Severe Anxiety
2019
Tractor Ted Munchy Crunchy
—
We Play and Share Together
1951
Swab Your Choppers
1948
Geologická činnosť vody
1955
Továreň na Dunaji
1955