Simulation of the effect of mortality differentials by parity on proportions orphaned using data from the Hague 1870-1880 - Bartlema, Jan (Celade, 1984)
"Seminar on Adult Mortality and Orphanhood in the Past, San José, Costa Rica, 12-14 December 1984"--A la cabeza de la portada: Commitee on Historical Demography