1. American Psychological Association, et al.: Publication Manual of the American Psychological Association. American Psychological Association (2022)
2. Borrego, Á.: Measuring the impact of digital heritage collections using Google Scholar. Inf. Technol. Libr. 39(2) (2020)
3. Bronstad, K.: References to archival materials in scholarly history monographs. Qual. Quant. Methods Libr. 6(2), 247–254 (2019)
4. Brubaker, J.: Primary materials used by Illinois state history researchers. Ill. Libr. 85(3), 4–8 (2005)
5. Carlson, E.: Joe Rochefort’s War: The Odyssey of the Codebreaker Who Outwitted Yamamoto at Midway. The Naval Institute Press (2013)