00413ntaaa2200169   45000030003000000050017000030080021000200400037000410820017000781000020000952450022001152500010001372600046001473000010001936500020002036500020002230120251027202920.00714s1973  ag    01   aAR-BaBNbspacAR-BaBNeaacrdRIC  a922.0000 Se1  aSeaver, George   aAlbert Schweitzer  a1 ed.  aNew York : bHarper and Brothers, cc1947  a346 p  amisiones-Africa  aAfrica-misiones