recently acquired
1962-12 a
1962-12 b
1962-12 c
1962-12 d
1962-12 e
1962-12 f
1962-12 g
1962-12 h
1962-12 i
1962-12 j
1962-12 k
1962-12 l
1962-12 m
1962-12 (sic!) n
1962-12 o
1962-12 p
1962-12 q
1962-12 r
1963-03-16/17-Siegfried Bonk-Kölner Stadtanzeiger-Cologne-Germany
1963-Netherlands
1964-08-30-Herold Tribune + The New York Times-USA
1964-01-Gloria Steinem-Show-USA
1964-10-02-Vision-Spain
1964-1965-1966-Dan Sullivan-Richard Shepard-Harold Schonberg-The New York Times-USA
1964-1965-1966-Dan Sullivan-Richard Shepard-Harold Schonberg-The New York Times-USA-a
1964-1965-1966-Dan Sullivan-Richard Shepard-Harold Schonberg-The New York Times-USA-b
1964-1965-1966-Dan Sullivan-Richard Shepard-Harold Schonberg-The New York Times-USA-c
1964-1965-1966-Dan Sullivan-Richard Shepard-Harold Schonberg-The New York Times-USA-d
1965-02-27-James Felton-The Evening Bulletin-Philadelphia-USA
1965-02-27-John P. Corr-The Philadelphia Inquire + 1965-02-28-Sunday News
1965-05-15-Alpydubladid-Island
1965-05-15-Visir-Island-a
1965-05-15-Visir-Island-b
1965-05-16-Morgunbladid-Island
1965-05-16-Island
1965-05-24-Kölner Express-Cologne-Germany-a
1965-05-24-Kölner Express-Cologne-Germany-b
1965-09 - Willem de Ridder - kunst van nu - a - copy
1965-09 - Willem de Ridder - kunst van nu - b - copy
1965-09 - Willem de Ridder - kunst van nu - c - copy
1965-09 - Willem de Ridder - kunst van nu - d - copy
1965-09 - Willem de Ridder - kunst van nu - e - copy
1965-09 - Willem de Ridder - kunst van nu - f - copy
1966-03-14-Hope Johnson-New World-Telegram-The Sun-New York-USA-a
1966-03-14-Hope Johnson-New World-Telegram-The Sun-New York-USA-b
1966-03-14-Hope Johnson-New World-Telegram-The Sun-New York-USA-c
1966-09/10 kunst van nu - Fluxus issue - Willem de Ridder - Netherlands a
1966-09/10 kunst van nu - Fluxus issue - Willem de Ridder - Netherlands b
1966-09/10 kunst van nu - Fluxus issue - Willem de Ridder - Netherlands c
1966-09/10 kunst van nu - Fluxus issue - Willem de Ridder - Netherlands d
1966-09/10 kunst van nu - Fluxus issue - Willem de Ridder - Netherlands e
1966-09/10 kunst van nu - Fluxus issue - Willem de Ridder - Netherlands f
1966-09/10 kunst van nu - Fluxus issue - Willem de Ridder - Netherlands g
1966-09/10 kunst van nu - Fluxus issue - Willem de Ridder - Netherlands h
1966-09/10 kunst van nu - Fluxus issue - Willem de Ridder - Netherlands i
1966-09/10 kunst van nu - Fluxus issue - Willem de Ridder - Netherlands j