NAZIS" BRANCH IN U.S. IS DISBANDED: New York, April 27 (LP) - The American branch of the German nazi party, numbering 1,500 bers in New York, Detroit, Cincinnati, Chicago, Los Angeles, San Francisco, and Union City, N. J., has been disbanded by orders from Berlin, it was learned here. spokesman said the party was organized help party in Ger"throw out the other governrow ment," and now that this aim had been accomplished Berlin party chiefs felt the American branch was no longer necessary. The spokesman said American nazis might join the independent league of friends of the Hitler movement. Approximately 600 Jewish organizations issued appeals to some 2.000,000 members to organize parades on May 10 to protest the nazi burning of books by Jewish authors, scheduled on that date in Germany.