Holstrom, Lakshmi, The Novels of R. K. Narayan, Calcutta: Writers Workshop, 1973.

Analysis of individual novels in relation to themes,
plots, and style. Attempts to place Narayan in the
tradition of Indian writing, and maintains that his
novels express a Hindu vision of the universe.

Kain, Geoffrey, ed., R. K. Narayan: Contemporary Critical Essays, Michigan State University Press, 1993.

A broad-ranging collection of essays by some of the
major critics in the field. Includes essays on individual
novels and more general comparative essays. Provides
a very good overview of different points of
view. The bibliography of both primary and secondary
material is likely to be very useful.

vanden Driesen, Cynthia, "The Achievement of R. K. Narayan," in Literature East and West, Vol. 21, Nos. 1-4, 1977, pp. 51-64.

A very perceptive and well-written article that deals
with the whole corpus of Narayan's writing. Looks
closely at the major preoccupations of...