Girl Scout Senior Roundups
Floyd V. Steutel-Dean
John Owen

The Girl Scouts of America held a series of International Round-ups for Senior level girls.  This is a brief philatelic history of these events.

SOSSI Journal, Vol. 14, No. 12, December 1965
SOSSI Journal, Vol. 27, No. 4, April 1978
Created by Keith Larson, 2000.