W. R. Bion 
Elements of Psycho-Analysis [PDF ebook] 

Elements of Psycho-Analysis is a 20-chapter text that describes the phenomena whose various aspects can be seen to fall within the grid categories of psycho-analysis. The elements of psycho-analysis are ideas and feelings as represented by their setting in a single grid-category. The opening chapters deal with the psychoanalytic objects, which are associations and interpretations with extensions in the domain of sense, myth, and passion. The remaining chapters are extensive discussions of the psychoanalytic phenomena, including ideas, feelings, pain, association and interpretation, conflicting pairs, and the two axes of grid. This book is directed primarily to psycho-analysts and psychiatrists.