David B. Bloom - Phi Alpha Delta. Lecturer, Scalpel & Subpoenas III, Seminar jointly sponsored by the Los Angeles County Medical Association and Los Angeles County Bar Association, February, 1981; "Handling Debt Collection Matters Before and After Judgment," 1982, "Remedies for Breach of Contract," 1985, "Liens on Personal Injury Recoveries," 1985, 1989 and 1993 and "Creditors' Remedies and Debtors' Rights," 1986, all California Continuing Education of the Bar Panels; "Creditors Rights and Protection of Security Interests in Bankruptcy," National Business Institute Panel, 1987. "Collecting Judgements in California," National Business Institute Panel, 1992.