New York State Archives, NYSA_A3045-78_A3750
School girls making oakum pads under the direction of the Chairman of the Surgical Dressings Committee at the Vocational School in Troy, New York, World War I, August 1917.
Berger, Melvin. Germs Make Me Sick! HarperCollins Children's Books, Augsut 1995. ISBN: 0064451542
Marsh, Carole. Kid's Official Guide to Germs. Gallopade International, January 2004. ISBN: 0635010828