Eero Einar Book vs Pertti Poutiainen
Erametsa-cup Helsinki 1971.??.??
King’s Indian Defense: Exchange Variation 1-0

John Montgomerie vs Eero Einar Book
7th olm final Stockholm SWE round 1 1937.07.31
French Defense: Winawer Variation, Advance Variation 0-1

Ylvi Pustina vs Eero Einar Book
Leipzig ol (Men) qual-A Leipzig GDR round 1 1960.10.17
Sicilian Defense: Taimanov Variation 1/2-1/2

Ragnar Krogius vs Eero Einar Book
match FIN-ch Helsinki round 3 1932.06.05
Sicilian Defense: Najdorf Variation 1-0

Eero Einar Book vs Georgy Geshev
non-FIDE Munich Olympiad Munich GER round 19 1936.08.30
Ruy Lopez: Closed, Worrall Attack 1-0

Eero Einar Book vs Samuel Reshevsky
Helsinki ol (Men) prel-C Helsinki FIN round 3 1952.08.12
Sicilian Defense: Dragon Variation, Classical Variation 1/2-1/2

Olaf Barda vs Eero Einar Book
Helsinki Helsinki FIN 1947.08.??
London System: Poisoned Pawn Variation 1-0

Alexander Alekhine vs Eero Einar Book
Warsaw Olympiad Warsaw POL round 19 1935.08.31
Queen’s Gambit Accepted 1/2-1/2

Eero Einar Book vs Teodors Bergs
Mustpeade Club 75th Jubilee Tallin EST 1935.06.??
Alekhine Defense: Modern Variation, Alekhine Variation 0-1

Osmo Ilmari Kaila vs Eero Einar Book
Helsinki Helsinki FIN 1947.08.??
Sicilian Defense: Najdorf Variation 0-1