[Koha] Koha - advice needed on best way to suppress 400+ records

Can someone tell me how the best way might be to suppress a large group of over 400 records? I know about adding the 942 subfield n, but is there a way to do it to a group of records? Thanks in advance. -- Linda Culberson lculber@mdah.state.ms.us Archives and Records Services Division Ms. Dept. of Archives & History P. O. Box 571 Jackson, MS 39205-0571 Telephone: 601/576-6873 Fax: 601/576-6824