Leber, G. J. (1972). The history of the Order of Ahepa (The American Hellenic Educational Progressive Association) 1922-1972: Including the Greeks in the New World, and immigration to the United States. Washington D.C.: Order of Ahepa.

Leber, George J. The History of the Order of Ahepa (The American Hellenic Educational Progressive Association) 1922-1972: Including the Greeks in the New World, and Immigration to the United States. Washington D.C.: Order of Ahepa, 1972.

Leber, George J. The History of the Order of Ahepa (The American Hellenic Educational Progressive Association) 1922-1972: Including the Greeks in the New World, and Immigration to the United States. Washington D.C.: Order of Ahepa, 1972.