Extensive researches on rheumatic diseases are being fostered in various countries through the efforts of national groups and committees. Those carried on in Germany are among the most important. The collected reports of the Third Congress held at the Rheuma-Forschungs-Institut in Aachen are published in this volume, which contains eleven contributions by the following: Aschoff (Freiburg in Breisgau), Edens and Manteufel (Düsseldorf), Grashey and Külbs (Köln), Kreuz (Berlin), Schottmüller (Hamburg) and Krebs, Gehlen, Hennes and Vontz (Aachen). Various phases of rheumatic diseases are discussed, including researches on the etiology of rheumatic myocarditis and the significance of bodily constitution in the production of rheumatic diseases. There are several papers on the therapy of the "specific rheumatic infections," arthritis, arthrosis, rheumatic diseases of the vertebral column, myalgia and neuralgia by various means: medicinal treatment, roentgen rays and other physical means.
Previous conferences were held in 1928 and 1930, and reports of their