- Historical Sample of the Netherlands (https://hdl.handle.net/10622/MUZMAL)
- CEDAR Project Netherlands (https://doi.org/10.17026/dans-zms-h2s6)
- Ashkan Ashkpour, LICR (https://hdl.handle.net/10622/MHJWRZ)
- Pujades Mora, Joana Maria; Valls, Miquel, 2017, "Barcelona Historical Marriage Database"
- GETTY AAT, Art & Architecture Thesaurus, Getty Research Institute
- Edvinsson, Sören; Westberg, Annika, 2016, "Swedish CEDAR Project"