1. Barnes, John A. (1969): Graph theory and social networks. In: Sociology, Jg. 3, S. 215–232.
2. Barnes, John A. (1954): Class and committees in a Norwegian island parish. In: Human Relations, Jg. 7, S. 39–58.
3. Bohnsack, Ralf (1991): Rekonstruktive Sozialforschung. Einführung in Methodologie und Praxis qualitativer Forschung. Opladen: Leske + Budrich.
4. Bott, Elisabeth (1957): Family and social network. London: Tavistock.
5. Burt, Ronald S. (1984): Networks items should be included in the General Social Survey. New York, NY: Center for the Social Sciences at Columbia University.