Hendriks, London to Simms, Germany that Stecher has taken up the patent for Australia, 1891-08-06 Unit ID: No. 56 Date: 1891-08-06
Hendriks to Stecher, London making an appointment. [faint], 1891-06-26 Unit ID: No. 35 Date: 1891-06-26
Israel Gollancz, Examiner of Cambridge University, to Dr. Heath, Assistant Registrar University of London, 1899-10-23 Unit ID: ACO/RC 7/57 Date: 1899-10-23
J. Mitchell to S. Tolansky re the remarkable characteristics of Australian mica, 1951-03-01 Date: 1951-03-01