Ulrich’s International Periodicals Directory Online0072Judy Salk Edited by. Ulrich’s International Periodicals Directory Online. PO Box 31, New Providence, NJ 07974, USA; E‐mail: [email protected];: R.R. Bowker November 1999; updated regularly. URL: http://www.bowker.com/ ulrichs/ $1 625.00 per year (single site, multiple users)