00722aam a2200253 i 4500001001500000005001700015007000300032008004100035035001100076040002900087041000800116043001200124045000900136082001800145100002600163245006200189264004100251300002300292336002700315337002700342338002800369500001500397610005600412MOR0100003030820260331111933.0ta891107s1952    nyu    gri    000 0aeng d  a896727  amxcmmobspaerdacmxcmmo0 aeng  an-us---  ax1x304a751.73bORO.51 aJohnson, Alvineautor10aPionner's progressb: an autobiography/cby Alvin Johnson 1aNew York :bThe Viking Press,c1952.  a[25] hojas;c28 cm  atextobtxt2rdacontent  asin mediobn2rdamedia  avolumenbnc2rdacarrier  aFotocopias 7aNew School for Social Research (New York)xHistoria