Lachlan, Robert. A Retrospective Glance at the Progressive State of the Natural History Society of Montreal: With a View to Ascertaining How Far It Has Advanced the Important Objects Contemplated by Its Founders. Montreal: J.C. Becket, 1852. http://ebooks.library.ualberta.ca/local/cihm_37184.

Lachlan, Robert. “Report of a Meeting of the Friends and Admirers of Lord Metcalfe Held at Montreal on 1st February, 1847.” In The Age and Theology: An Address Delivered before the Society for Religious Inquiry of the University of Vermont, edited by Henry Wilkes, 15p. Burlington, VT: Tuttle and Stacy, 1850.