Archives are the current holding institutions of sources.
| Archivo Histórico Archidiocesano (E-TAc) |
| Biblioteca Pública del Estado de Tarragona (E-TAp) |
Organizations are corporate entities that have been involved in the history of a source, typically as an owner, creator, or seller.
| Carthusian Monastery of Scala Dei |
| Santa Maria de Santes Creus (Cistercian monastey), near Tarragona |
| Tarragona Cathedral |