
1960s, Portrait of a Genius As a Young Chess Master (1961)
Black Boy (1945)
1960s, Portrait of a Genius As a Young Chess Master (1961)
Source: Veinte poemas de amor y una canción desesperada; Cien sonetos de amor
On why he decided against writing proprietary software; quoted in Free as in Freedom : Richard Stallman's Crusade for Free Software' (2002) by Sam Williams http://www.oreilly.com/openbook/freedom/index.html
2000s
When asked about intention for a magazine in Berlin (http://www.pulse-berlin.com/)