E. L. Mabley Archives Home Page Welcome to the WWU Archives Digital Photo Collection
Omicron Pi Sigma was established April 28th 1927. The Greek letters chosen by the men’s residence hall club mean “The Loyal Fellow-workers.” OPS has sponsored many events over the years, but by far the best known is OPS Amateur Hour.
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WWU Archives Digital Photo Collection : Walla Walla College/University : OPS