01046aam a2200313 i 4500001001500000005001700015007000300032008004100035020002500076020003000101035001100131040002900142041000800171043002100179082001700200100002600217245007300243264008600316300005400402336002700456337002700483338002800510500002100538504003800559650004100597650004700638650002400685710002300709MOR0100003477420260331112242.0ta900817s1987 mauab g bis 001 0 eng d a0-674-92097-X (tela) a0-674-92098-8 (rústica) a904224 amxcmmobspaerdacmxcmmo0 aeng an-us---ae-ur--- a306.3bKOL.u1 aKolchin, Petereautor10aUnfree laborb: American slavery and Russian serfdom/cPeter Kolchin 1aCambridge, MassachusettsaLondon :bHarvard University, The Belknap Press,c1987. axiv, 517 páginas:bilustraciones, mapas;c24 cm atextobtxt2rdacontent asin mediobn2rdamedia avolumenbnc2rdacarrier aIncluye índice aBibliografía: páginas 377-383 7aEsclavitudzEstados UnidosxHistoria 7aServidumbrezUnión SoviéticaxHistoria 7aTrabajo de esclavos2 aHarvard University