These are the changes that have been made in the program portion of the Big Book (the first 164 pages and the roman numeral pages) since it was first published on April 10, 1939.

Please note that some folks are unable to open these PDF files. If this is the case with you, then do the following: Instead of double clicking the link to open the PDF file, right click on the link and select "Open in New Window." If you still have problems viewing the PDF files, please send me an email, in which case, I may have to convert the PDF files into HTML files.