Cases on commercial and investment paper / Roscoe Steffen. Commercial and investment paper. Steffen, Roscoe Turner. 1893- Negotiable instruments United States Cases. Negotiable instruments Great Britain Cases. Bills of exchange Great Britain. KF957.A4 S7 1939 332.77 STC Chicago : The Foundation Press inc., 1939. 1939. 1939 Text 965 p. : eng University casebook series United States Great Britain Great Britain.