Basic principles of organic chemistry by Roberts, John D. 1918-

Organic chemistry methane to macromolecules by Roberts, John D.

Modern organic chemistry by Roberts, John D.

Basic principles of organic chemistry by Roberts, John D.

Basic principles of organic chemistry by Roberts, John D. 1918-

Basic principles of organic chemistry (1964). by Roberts, John D., 1918-

Notes on molecular orbital calculations by Roberts, John D.

Notes on molecular orbital calculations by Roberts, John D., 1918-

Nuclear magnetic resonance applications to organic chemistry. by Roberts, John D., 1918-