G. N. Watson
1935 · Good
€20
Nikolaas Lambsma
1767 · Very good · NL
€325
Silvanus Phillips Thompson
1935 · Very good
€35
Leonhard Euler
1763 · Fair
€140
Earl Derr Biggers, Robert Welles Ritchie
1932 · Fine
€90
Walsh, Michael
1808 · Very good
€180
Charles Hutton
1812 · Very good
€245
Bertrand Russell
1935 · Good
€85
R. Fletcher
1922 · Good
€20
George Boole
1882 · Fine
€65
Sir J. J. Thomson
1907 · Good
€25
Claude Irwin Palmer
1912 · Good
€20
William Leybourn, Richard Sault
1696 · Good
€1,050
Thomas Simpson
1751 · Very good
€660
Antonie Hendrik Schoemaker
1868 · Good · NL
€140
Jørgen Peter Müller
1902 · Fine
€155
Petty, William Sir
1721 · Good
€420
Judah M. Eisenberg, Walter Greiner
1904 · Good
€40
Alfred Daniell
1888 · Good
€70
John Ward (of Chester)
1708 · Good
€305
Antoine Laurent Lavoisier
1812 · Fine
€315
Edward Bulwer Lytton, Baron Lytton
1845 · Fair
€75
Hegeler Institute
1924 · Fine
€100
Euclid
1585 · Very good
€565