Willy Sluiter, c. 1916, poster, RP-P-1918-2302
Willy Sluiter, c. 1923, poster, RP-P-1923-89
Willy Sluiter, 1913, poster, RP-P-1913-468
Willy Sluiter, c. 1916, poster, RP-P-1919-2087
Willy Sluiter, 1910 - 1924, poster, RP-P-1924-741
Willy Sluiter, c. 1918, poster, RP-P-1924-738
Willy Sluiter, c. 1924, poster, RP-P-1924-736
Willy Sluiter, 1913, poster, RP-P-OB-18.125
Willy Sluiter, 1914, poster, RP-P-OB-18.128
Willy Sluiter, 1913, poster, RP-P-OB-18.127
