C. Aull a.o. (ed.): Handbook of the history of general topology. Kluwer 1998. H. Bentley/Horst Herrlich: Morita extensions and nearness completions. Top. Appl. 82 (1998), 59-65. H. Bentley/Horst Herrlich: On the strict completion of nearness spaces. Quaest. Math. 24/1 (2001), 39-50. H. Bentley/Horst Herrlich/Miroslav Husek: The historical development of uniform, proximal, and nearness concepts in topology. In Aull a.o. 1998, vol. 2, 577-629. Horst Herrlich: A concept of nearness. Gen. Top. Appl. 4 (1974), 191-212. Horst Herrlich/A. Pultr: Nearness, subfitness and sequential regularity. Appl. Cat. Struct. 8/1-2 (2000), 67-80. Horst Herrlich/David Vaughan: Weak separatedness for nearness spaces. Indian J. Math. 41/1 (1999), 15-24.