According to the Wellesley Index (1824–1900), Lang was one of many contributors (about twenty on average) to three “Contemporary Literature” articles:
- “Contemporary Literature.” The North British Review 51 O.S., 12 N.S. (Jan. 1870): 509–620.
- “Contemporary Literature.” The North British Review 52 O.S., 13 N.S. (July 1870): 513-625.
- “Contemporary Literature.” The North British Review 153 O.S., 14 N.S. (Jan. 1871): 524–631.