Part II introduces and summarizes briefly 13 elements of the program of exploration into uses of computers that constituted the major part of the two-year study. Chapter 5 is a survey of syntactic analysis by computer. Chapter 6 deals with quantitative aspects of files and text that bear upon the feasibility and efficiency of computer processing of library information. Chapter 7 describes a promising method for evaluating retrieval systems. Chapter 8 contrasts document-retrieval with fact-retrieval and question-answering systems. Chapter 9 describes eight efforts to develop, test, and evaluate computer programs that perform, or techniques that facilitate, library and procognitive functions.