This second edition of the catalog, published in Spanish, contains information on programed materials and programed courses written in Spanish. The names and addresses of 30 publishing houses, private businesses, and governmental agencies are given in the source list. Over 130 programed courses and texts that are available from these sources in Mexico, Central and South America, and Spain are listed. Subjects covered by the courses include science, languages, medicine, mathematics, music, education, and business. When available, the length of time to complete the course, the number of frames or pages, and the intended instructional level are indicated, and for many, a brief synopsis is supplied. A number of Spanish source articles which contain information on programed instruction are listed, as well as the 19 papers which were presented at the First Argentine Congress on Programed Instruction held in Buenos Aires in July of 1970. (MT)