Documentación del Monasterio de San Salvador de Oña /
Oceja Gonzalo, Isabel.
Monasterio de San Salvador de Oña.
Burgos : J.M. Garrido Garrido,
[1983?]-
Documents in Spanish and Latin; summaries in Spanish.
[1] 1032-1284 -- [2] 1285-1310 -- [3] 1311-1318 --[4] 1319-1350.
Monasterio de San Salvador de Oña