[1] Virtue selected accomplished artists, employed the best engravers, and produced books that were rarely surpassed in elegance and correctness for the period.
Virtue created a prodigious business, issuing upwards of twenty thousand copper and steel engravings through his career.
[4] Their oldest son, George Henry Virtue (d.1866) FSA was Treasurer of the Royal Numismatic Society for several years.
In 1861, the youngest son, William Alexander Virtue (d.1875), was promoted to Lieutenant, vice Turney, with the 39th Middlesex Rifle Volunteer Corps.
They had one son, Theodore Morison, principal of Mohammedan Anglo-Oriental College from 1899–1905 which later on became Aligarh Muslim University and member of the Council of India from 1906; and daughters Helen Cotter, and Margaret.