A friendship network from a German boys school collected during the school year from 1880 to 1881 by school teacher Johannes Delitsch.
Paper: Heidler, Gamper, Herz, Eßer: Relationship patterns in the 19th century: The friendship network in a German boys’ school class from 1880 to 1881 revisited. Social Networks, 37, 1–13. https://doi.org/10.1016/j.socnet.2013.11.001
Dataset in Gephi format: https://github.com/gephi/gephi/wiki/Datasets
Transformed in Pajek format by Vladimir Batagelj, January 5, 2023