Houben, J., and Fischer, W., "Das Anthracen und die Anthraquinone," Leipzig, Georg Thieme, 1929 (photolithoprint by Edwards Bros. Inc., Ann Arbor, Mich., 1944).
8.
Lee, H.R., and Buxbaum, E.C., U. S. Patent 1,-939,593 (1933);
9.
Chem. Abstr.28, 1545 (1934).
10.
Meyer, H., and Eckert, A., Monatsh. 39 , 241-51 (1918).
11.
Peters, R.H. , J. Soc. Dyers Colourists11, 95 (1945).
12.
Rowe, F.M., and Chamberlain, K.A.J. , J. Soc. Dyers Colourists53, 268-78 (1937).
13.
Schmidt, R.E. , and Bamberger, K., German Patent554,647 (1930) (to I. G. Farbenindustrie A.-G.) ;
14.
Chem. Zentr.1932 (II), 2372;
15.
Chem. Abstr.26, 5966 (1932).
16.
Schmidt, R.E. , and Bamberger, K., German Patent556,459 (1930) (to I. G. Farbenindustrie A.-G.) ;
17.
Chem. Zentr.1932 (II), 2373;
18.
Chem. Abstr.27, 309 (1933).
19.
Scholefield, F., and Goodyear, E.H., The Melliand1, 1389-93 (1929).
20.
Turner, H.A. , J. Soc. Dyers Colourists63, 372-80 (1947).
21.
Willstatter, R., and Pfannenstiel , A., Ber. 37 , 4605-9 (1904).