Actors 1 Ver registros Aging 1 Ver registros Choruses, Secular (Women's voices, 4 parts) with instrumental ensemble 1 Ver registros Criticism and interpretation 1 Ver registros Feminist music 1 Ver registros Forecasting 1 Ver registros History and criticism 1 Ver registros Polish poetry 1 Ver registros Population 1 Ver registros Population forecasting 1 Ver registros Suffrage 1 Ver registros Women 1 Ver registros