Thiessen, A. D. The Founding of the Toronto Magnetic Observatory and the Canadian Meteorological Service. Journal of the Royal Astronomical Society of Canada. 1940, 40. Bibcode:1940JRASC..34..308T.
Sawyer Hogg, Helen. Out of Old Books (Sabine's Correlation of Sun-Spots with Magnetic Disturbances). Journal of the Royal Astronomical Society of Canada. 1948, 42: 241–246. Bibcode:1948JRASC..42...93S.
Beattie, Brian. The 6-inch (150 mm) Cooke Refractor in Toronto. Journal of the Royal Astronomical Society of Canada. 1982, 76 (2). Bibcode:1982JRASC..76..109B.
Sabine, Lieut-Col. Edward. On Periodical Laws Discoverable in the Mean Effects of the Larger Magnetic Disturbances. Abstracts of the Papers Communicated to the Royal Society of London (Abstracts of the Papers Communicated to the Royal Society of London, Vol. 6). 1850–1854, 9: 30–32. JSTOR 111130.