Helm, MacKinley (, 1896-1963) Fray Junipero Serra : the great walker / MacKinley Helm - Stanford, Calif. : Standford University Press , c1956. - 86 p. - San Miguel de Allende (Mexico)--Author . Subjects--Topical Terms: Serra, JuniperoReligiosos----HistoriaReligion Dewey Class. No.: LAS REF 92 SER