Tierney, Kevin. How to be a witness. - Dobbs Ferry, N.Y. Oceana Publications 1971. - vi, 108 p. 19 cm. - Legal almanac series, no. 67 . ISBN: 0379110806 LCCN: 79170975 Subjects--Topical Terms: Witnesses--United States. LC Class. No.: KF8950.Z9 / T5 Dewey Class. No.: 347/.73/66