TY - JOUR A1 - Van Leeuwen, M.H.D. A1 - Maas, I. T1 - Long-term social mobility: Research agenda and a case study (Berlin, 1825-1957) Y1 - 1996 DO - 10.1017/S0268416000003477 JF - Continuity and Change VL - 11 IS - 3 ER -