Subgoal Protection and Unraveling During Plan Synthesis. - Chuck Rieger; Philip London (IJCAI, 1977)

A dependency-based modelling mechanism for problem solving. - Philip London (AFIPS National Computer Conference, 1978)

HEARSAY-II: A Domain-Independent Framework for Expert Systems. - Robert Balzer; Lee D. Erman; Philip London; Chuck Williams (AAAI, 1980)

Eugene Charniak, Christopher Riesbeck and Drew McDermott, Artificial Intelligence Programming. - Philip London (Artif. Intell., 1980)

A selected descriptor-indexed bibliography to the literature on belief revision. - Jon Doyle; Philip London (SIGART Newsl., 1980)

The Design and an Example Use of Hearsay-III. - Lee D. Erman; Philip London; Stephen Fickas (IJCAI, 1981)