1. Two antigenically different γ-globulins in domestic rabbits revealed by isoprecipitins;Dray;Science,1959
2. The use of immunochemical methods in studies on proteins;Grabar;Advances in Protein Chemistry,1958
3. Individual precipitation patterns of normal rabbit sera;Hirschfeld;Acta path. et microbiol. scandinav.,1959
4. Immuno-electrophoretic demonstration of qualitative differences in human sera and their relation to the haptoglobins;Acta path. et microbiol. scandinav.,1959
5. A simple method of determining haptoglobin groups in human sera by means of agar-gel electrophoresis;Hirschfeld;Acta path. et microbiol. scandinav.,1959