21.
 |  | Title: The Masterwork in Music: A Yearbook (1926) by Heinrich Schenker, Ian Bent, John Rothgeb, Hedi Siegel, William Drabkin ISBN: 0521455421 Publisher: Cambridge University Press Pub. Date: 01 April, 1996 List Price: $90.00 Amazon.com Price: $90.00 |
22.
 |  | Title: Wärmeübertragung durch Strahlung, in 3 Bdn., Tl.2, Strahlungsaustausch zwischen Oberflächen und in Umhüllungen by Robert Siegel, John R. Howell, Joachim Lohrengel ISBN: 3540527109 Publisher: Springer Verlag Pub. Date: 23 September, 1991
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23.
 |  | Title: The Instant Expert's Guide to the Apple MacIntosh (Dvorak Instant Expert Series) by John Markoff, Sullivan, Lenny Siegel ISBN: 0440540631 Publisher: Dell Pub. Date: January, 1985 List Price: $9.95 Amazon.com Price: $9.95 |
24.
 |  | Title: Medical and surgical evaluation and care of illness in space final report, Apr. 1992 - May 1994 (SuDoc NAS 1.26:196280) by John H. Siegel ISBN: B00010N0GA Publisher: National Aeronautics and Space Administration National Technical Information Service, distributor Pub. Date: 1994
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25.
 |  | Title: The Complete Guide to Client Server Computing by Jae Shim, Anique Qureshi, John Walker, Joel Siegel ISBN: 081440653X Publisher: AMACOM Pub. Date: 01 March, 2003 List Price: $65.00 Amazon.com Price: $65.00 |