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Books about Leifield:
Menace #1 Leifield Cover (1998)
Limited War Sniping. Edited by M. Fulco and Timothy J. Leifield. (1977)
Wiki information Leifield:
Albert Peter "Lefty" Leifield, was a Major League Baseball pitcher from 1905-1920. He played for the St. Louis Browns, Pittsburgh Pirates, and Chicago Cubs.