The origins and impact of proportional representation

This article in the peer-reviewed Oxford Bibliographies series, gives an introduction to the literatures on the varieties, origins, and effects of proportional electoral systems.

Michelangelo Merisi da Caravaggio

Online bibliography on Caravaggio

Annibale Carracci

Bibliographical essay on Annibale, Agostino and Ludovico Carracci

Medieval romance, English

Annotated bibliography of romance from medieval England. It focuses on medieval romances in various languages written in England or translated into English before 1500.