Suchergebnis

• English sentences Roberts, Paul New York [u.a.] : Harcourt, Brace & World, 1962

• English syntax a programed introduction to transformational grammar Roberts, Paul Alternate ed., New York [u.a.] : Hartcourt, Brace & World, c1964

• Patterns of English Roberts, Paul New York [u.a.] : Hartcourt, Brace & World, 1956