ISBN Group-0 Publisher Codes: https://en.wikipedia.org/wiki/List_of_group-0_ISBN_publisher_codes
ISBN users' manual: https://www.isbn-international.org/content/isbn-users-manual/29
ISO 2108:2017(en): https://www.iso.org/obp/ui#iso:std:iso:2108:ed-5:v1:en
ISO contact: https://www.iso.org/contact-iso.html
APBC Examines Plans and Structure, PW, June 12, 1967, at 26, 28-29 (section titled Statistics, IBI Plan, and Book Numbering)
Daniel Melcher, British Books to Be Numbered Beginning This Month, PW, Jan. 2, 1967, at 28-30.
ABPC Examines Plans and Structure, PW, June 12, 1967, at 26-31, 28-29 (section titled "Statistics, IBI Plan and Book Numbering," discussing Daniel Melcher's presentation to the ABPC on book numbers).
AAUP Views Publishing Scene in Canada and Abroad, PW, July 24, 1967, at 27, 28 (section titled "Du Sautoy: Copyright, Book Numbering," discusses at p. 28 implementation of the Standard Book Number and mentions the Technical Committee of the International Standards Organization meeting in Moscow, June 24-27, 1967).
Standards Group to Study Book Numbering, PW, Oct. 16, 1967, at 35.
Daniel Melcher, Standard Book Numbering: UK, USA, and Canada in Joint Plan / How the SBN Plan Works / Why It Was Started / How Other Language Groups Can Tie In With the SBN Plan, PUBLISHERS' WORLD 68/69: A YEARBOOK FOR PUBLISHERS, BOOKSELLERS, LIBRARIANS 63-65 (Bowker 1968).
Standard Book Numbering Adopted for U.S., PW, Apr. 8, 1968, at 29 (announcing that the transition to using ISBNs is underway, with Bowker administering the plan).
Daniel Melcher, Standard Book Numbering, PW, Apr. 15, 1968, at 39-40 (in urging publishers to adopt the SBN, Melcher mentions the practice of using of series numbers, which simplifies billing, inventory control, warehouse management, royalty accounting, and sales accounting).
SBN Prefixes Sent to Heads of Houses, PW, July 22, 1968, at 41 (mentioning a Standard Book Numbering Manual produced by the SBN Agency at Bowker).
Evidently the Standard Book Manual as produced in 1968 and had the ISBN 0-8352-0001-9, Bowker's first. The OCLC # is 2997359, although it has a 1970 copyright and includes the Supplement to the Manual. A reference in the Schmierer & Pasternak report at 15 (1977) indicates the manual is 13 pages long and the supplement 3 pages.
Judith Lee Krone, The Standard Book Number (SBN): Its Impact on the Book Trade and the Library (M.A. Thesis, U. Chicago 1971):
Helen F. Schmierer & Howard Pasternak, Study of Current and Potential Uses of International Standard Book Number in United States Libraries (Final Report to the Committee for the Coordination of National Bibliographic Control, Mar. 23, 1977), https://files.eric.ed.gov/fulltext/ED174264.pdf.
Cross Currents: One of the earliest advocates of the ISBN, PW, Oct. 29, 1982, at 14 (Daniel Melcher now criticizing use of ISBNs).
David T. Brautigam, Letters: Hang On to ISBNs, PW, Dec. 3, 1982 (response to Melcher's criticism from an acquisitions librarian).
John Krafty, The ISBN Agency and ISBN-13, 17 AGAINST THE GRAIN 20 (2005), https://search.ebscohost.com/login.aspx?direct=true&AuthType=cookie,ip,url,shib&db=lls&AN=502951525&site=ehost-live&scope=site.