No Chariot Let Down: Charleston's Free People of Color on the Eve of the Civil Warby Michael P. Johnson; James R. RoarkGatewood et al. · The North Carolina Historical Review1985PDF304 KB
Formulas for stress and strain. 5th Edition : Roark, R J; Young, W C Tokyo: McGraw Hill Kogakusha, 1975, 624PInternational Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts1978PDF49 KB
Formulas for stress and strain: R. J. Roark :. McGraw-Hill Publishing Co. Ltd. 1954. xiii + 381 pp. Tables XIX. 53s. 6dHorne · Journal of the Mechanics and Physics of Solids1954PDF154 KB
Mechanics for engineers: by Edward R. Maurer, Raymond J. Roark and George W. Washa. 425 pages, illustrations, 14 × 22 cms. New York: John Wiley & Sons, Inc., London: Chapman & Hall, Limited, 1945.Price $4.ooOppermann · Journal of the Franklin Institute1946PDF98 KB
Phytochemical notes*†*191273. R. C. Roark, “Oil from Mentha citrata,” Jour. A. Ph. A., 2, 839.78. R. C. Roark, “An Unusual Oil of Wormwood,” Jour. A. Ph. A., 2, 841.79. O. A. Beath, “Oleoresin of Pseudotsuga taxifolia,” Jour. A. Ph. A., 2, 303 and 1566.80. O. A. Beath, “A Crystalline Resin Acid from Pinus sabiniane,” Jour. A. Ph. A., 2, 303 and 1569.†Read in abstract before Scientific Section, A.…Kremers · The Journal of the American Pharmaceutical Association (1912)1917PDF275 KB
Technical mechanics, statics, kinematics, kinetics: By Edward R. Maurer, Professor of Mechanics in the University of Wisconsin, and Raymond J. Roark, Assistant Professor of Mechanics in the University of Wisconsin. Fifth Edition, rewritten, xii - 364 pages, 6′′ × 9′′, cloth, 559 illustrations. New York, John Wiley and Sons, Inc., 1925. Price, $3.50 netPicolet · Journal of the Franklin Institute1925PDF63 KB
