How Flowers Make Seeds
1963
Look at Life: High, Wide and Faster
Writing a Good Paragraph
Space Science: Comets, Meteors, and Planetoids
A City Named Eilat
Rocks: Where They Come From
Measurement in Physical Science
How We Elect Our Representatives (Second Edition)
Ears: Their Structure and Care
Maternity Care - Labor and Delivery
A Chance to Learn
Buddhismus in Ceylon
Bamako, i ni tye
Coutume et techniques traditionnelles du peuple cau maa
Essartage et cérémonies rituelles chez les Cau Maa’ (centre sud Vietnam)
Experimental Film