Bibliography of Engstrom, Paul F., by subject:

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•	Neoplasms -- prevention & control -- congresses (6)
•	Cancer -- Prevention -- Congresses (6)
•	Research -- congresses (4)
•	Epidemiologic Methods -- congresses (3)
•	Pollution (2)
•	Food contamination (2)
•	Noise pollution (2)
•	Pollution -- Juvenile literature (2)
•	Neoplasms -- prevention and control -- congresses (2)
•	Noise pollution -- Juvenile literature (2)
•	Air -- Pollution -- United States (1)
•	Food contamination -- Juvenile literature (1)
•	Pollution -- United States (1)
•	Food adulteration and inspection -- Juvenile literature (1)
•	Food adulteration and inspection (1)
•	Radioactive pollution -- Juvenile literature (1)
•	Radioactive pollution (1)
•	Ecology (1)
•	Water -- Pollution -- United States (1)
•	Conservation of natural resources -- United States (1)

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