Types of Simple alpha-Recursively Enumerable Sets. - Anne Leggett; Richard A. Shore (J. Symb. Log., 1976)

alpha-Degrees of Maximal a-R.E. Sets. - Anne Leggett (J. Symb. Log., 1978)

Simplicity in Effective Topology. - Iraj Kalantari; Anne Leggett (J. Symb. Log., 1982)

Maximality in Effective Topology. - Iraj Kalantari; Anne Leggett (J. Symb. Log., 1983)