H.R. Lang. Notes of discussion with A.F.A. Harper on proposed Australian Institute of Physics (2 pp. + attachments), 1960-11-07 Date: 1960-11-07
Inquiry by Australian Branch for statement on atomic energy, 1946-01-10 Unit ID: ff.43-46 Date: 1946-01-10
Meeting with Australian representative visit of H.L. Penman to Australia, 1951-10-11 Unit ID: ff.370-73 Date: 1951-10-11
Memorandum by A.F.A. Harper on Australian organization for physicists (15pp.), 1962-04-13 Date: 1962-04-13
Memorandum by H.R. Lang on proposed Australian Institute of Physics (2pp.), 1962-07-02 Date: 1962-07-02