Implicational Molecules: A Method for Extracting Meaning from Input Sentences. - Robert P. Abelson; Carol M. Reich (IJCAI, 1969)

Scripts, Plans and Knowledge. - Roger C. Schank; Robert P. Abelson (IJCAI, 1975)

The Reasoner and the Inferencer don't Talk Much to Each Other. - Robert P. Abelson (TINLAP (supplement), 1975)

Does a Story Understander Need a Point of View? - Robert P. Abelson (TINLAP, 1975)

Differences Between Belief and Knowledge Systems. - Robert P. Abelson (Cogn. Sci., 1979)