The first link, for Part 1, is great. Part 2 seems to have been published in 3 sections. The second link is to the second section of Part 2, with a REF ID of A6

The first link, for Part 1, is great. Part 2 seems to have been published in 3 sections. The second link is to the second section of Part 2, with a REF ID of A64556. This contains parts 10 through 14 and 3 appendices. If anyone is interested, a link to the first section, which contains parts 1-9, REF ID A64563, is at: https://archive.org/details/41752229079148 https://archive.org/details/41752229079148 or https://www.nsa.gov/Portals/70/documents/news-features/declassified-documents/friedman-documents/publications/FOLDER_253/41752229079148.pdf https://www.nsa.gov/Portals/70/documents/news-features/decla... And the third section, with appendices 4-9, REF ID A64556 is at: https://archive.org/details/41751819079101 https://archive.org/details/41751819079101 or https://www.nsa.gov/Portals/70/documents/news-features/declassified-documents/friedman-documents/publications/FOLDER_257/41751819079101.pdf https://www.nsa.gov/Portals/70/documents/news-features/decla... The Internet Archive has a large collection of documents from American cryptographer William F. Friedman, which was easier to search than the NSA's site.