Pedersen, Paul, 1936- Religion as the basis of social change among the Bataks of North Sumatra / by Paul B. Pedersen - Claremont : Claremont Graduate School, 1968 - 361 p. ; 20 cm. Thesis (Ph.D) - Claremont Graduate School and University Center, 1968 Bibliography : p. 342-361 Subjects--Topical Terms: BatakEthnology--Indonesia--Sumatra