The data used for this report was prepared mainly from correspondence as described in the introduction, Chapter I. The manufacture, distribution and processing of original scientific information today is considered in Chapter II. This Chapter is devoted to the tasks of establishing precise definitions of the vocabulary used in the field (e.g. Communication, Information, Documentation, Papers, Notes, Letters, etc.) and to an attempt to give a rough classification of scientific journals as they exist at present. Chapter III describes the growth of primary journals as seen through the evolution of a sample and Chapter IV is concerned with the evolution of original scientific literature as seen through some of the major abstracting periodicals. Chapter V is devoted to an examination of the evolution of the present situation of scientific information problems, together with a brief study of some attempts or proposals to deal with these problems by either evolutionary or revolutionary procedures. A brief conclusion to the report appears as Chapter VI. (Author/NH)