The American Checker Federation

Checkers the Tinsley Way, by R. Shuffett and is rare
Complete Checkers, by R. Pask
other educational books by R. Pask
Basic Checkers, by R. Fortman
Various endings books by B. Boland
Lees' Guide, by J. Lees
Anderson's 2nd Edition, by A. Anderson
Any book by T. Wiswell

[Event "British Ty."] [Date "1932"] [Black "R. Scobbie"] [White "S. Cohen"] [Result "0-1"] 10-15 23-18 12-16 21-17 16-19 17-14 9-13 24-20 6-9 27-23 8-12 23-16 12-19 32-27 3-8 20-16 11-20 18-11 9-18 22-15 7-16 15-10 5-9 10-6 1-10 27-24 20-27 31-6 9-14...

[Event "US National 1954"] [Date "1954"] [Black "Hanson, K."] [White "Cameron, A."] [Result "1/2-1/2"] 11-16 21-17 7-11 17-14 10-17 22-13 11-15 23-19 16-23 26-10 6-15 13-6 1-10 25-22 12-16 29-25 16-19 25-21 10-14 22-17 2-7 17-10 7-14 27-23 19-26 31-2...

[Event "US National 1954"] [Date "1954"] [Black "Axford, H."] [White "Crawford, C."] [Result "1/2-1/2"] 11-15 21-17 8-11 17-13 9-14 22-18 15-22 25-9 5-14 29-25 11-15 25-22 14-18 23-14 10-17 27-23 4-8 24-19 15-24 28-19 8-11 22-18 11-15 18-11 7-16 31-2...

[Event "US National 1954"] [Date "1954"] [Black "Phelps, R."] [White "Ricca, J."] [Result "0-1"] 10-15 21-17 6-10 17-14 9-18 23-14 10-17 22-13 11-16 25-22 8-11 26-23 16-19 23-16 11-20 24-19 15-24 28-19 4-8 22-18 8-11 29-25 11-16 27-23 20-24 18-15 16-...

[Event "US National 1954"] [Date "1954"] [Black "Levitt, L."] [White "Case, B."] [Result "1/2-1/2"] 10-14 22-17 7-10 17-13 3-7 24-20 14-18 23-14 9-18 26-23 10-14 28-24 11-15 23-19 7-11 19-10 6-15 30-26 12-16 13-9 1-6 25-22 6-13 22-17 13-22 26-10 18-2...

[Event "US National 1954"] [Date "1954"] [Black "Loew, M."] [White "Link, W."] [Result "1/2-1/2"] 9-14 22-17 6-9 23-19 9-13 27-23 13-22 25-9 5-14 29-25 11-15 25-22 7-11 22-17 11-16 24-20 15-24 28-19 3-7 20-11 8-24 32-28 4-8 28-19 7-11 17-13 11-16 26-...

These games were apparently not in the OCA archive. [Event "US National 1954"] [Date "1954"] [Black "Sprague, J."] [White "Gould, R."] [Result "1/2-1/2"] 9-13 21-17 5-9 25-21 9-14 30-25 11-15 24-19 15-24 28-19 8-11 22-18 13-22 18-9 6-13 26-17 13-22 2...

[Event "U.S. National 1956"] [Date "1956"] [Black "White, O."] [White "Cummings, W."] [Result "0-1"] 12-16 21-17 9-14 17-13 16-20 22-18 11-15 18-11 8-15 24-19 15-24 28-19 4-8 25-22 8-11 19-16 14-17 29-25 17-21 22-18 10-15 25-22 5-9 32-28 7-10 16-7 2-...

[Event "U.S. National 1956"] [Date "1956"] [Black "Thompson, P."] [White "Sides, J."] [Result "1/2-1/2"] 10-14 23-19 11-16 26-23 9-13 22-17 13-22 25-9 5-14 24-20 6-10 20-11 8-24 28-19 4-8 29-25 8-11 25-22 11-15 32-28 15-24 28-19 7-11 22-18 1-5 18-9 5...

I was just looking at the 1956 National games in the OCA archive. And it seems to just have Tinsley games. I typed these games from the ACF Bulletin from back then. [Event "U.S. National 1956"] [Date "1956"] [Black "Shoaf, I."] [White "Grandjean, B."] [Result ...

[Event "Hester's Defiance, p.108, v.361, J. Lees"] [Date "1960"] [Black ""] [White ""] [Result "1/2-1/2"] 11-15 23-19 9-14 27-23 8-11 22-18 15-22 25-9 5-14 29-25 11-15 24-20 15-24 28-19 10-15 19-10 6-15 25-22 15-19 23-16 12-19 32-28 7-10 31-27 4-8 27...

[Event "Hester's Defiance, p.89, v.271"] [Date "1960"] [Black "Campbell"] [White "Battersby"] [Result "1/2-1/2"] 11-15 23-19 9-14 27-23 8-11 22-18 15-22 25-9 5-14 29-25 11-15 25-22 4-8 24-20 15-24 28-19 10-15 19-10 6-15 22-18 15-22 26-10 7-14 30-25 8...

[Event "Hester's Defiance, p.69, v.181, unknown"] [Date "1960"] [Black ""] [White ""] [Result "1/2-1/2"] 11-15 23-19 9-14 27-23 8-11 22-18 15-22 25-9 5-14 29-25 11-16 24-20 3-8 20-11 8-24 28-19 4-8 25-22 8-11 22-18 1-5 18-9 5-14 30-25 11-15 19-16 12-...

[Event "Hester's Defiance, p.49, v.91, G. Price"] [Date "1960"] [Black ""] [White ""] [Result "1/2-1/2"] 11-15 23-19 9-14 27-23 8-11 22-18 15-22 25-9 5-14 29-25 6-9 25-22 9-13 24-20 1-5 22-18 14-17 21-14 10-17 26-22 17-26 31-22 7-10 30-25 3-8 25-21 1...