Are you on the PAMnet discussion list? One does not need to be a member of the Physics-Astronomy-Mathematics Division of SLA to subscribe. http://pam.sla.org/manual/pamnet-information/
Are you a member of the Physics-Astronomy-Mathematics Division of SLA? http://pam.sla.org/
In any case, I would recommend that you get your hands on these two books, but they were published about 9 years ago.
- Guide to information sources in mathematics andstatistics / Martha A. Tucker and Nancy D. Anderson, Westport, Conn. : Libraries Unlimited, 2004.
- Using the mathematics literature / edited by Kristine K. Fowler, New York : Marcel Dekker, Inc., c2004.
- The new Walford : guide to reference resources / editor-in-chief, Ray Lester, London : Facet Pub., 2005-<2008> "Volume 1 covers 12 broad subject groupings: mathematics, physics & astronomy, earth sciences, chemistry, biological sciences, agriculture, forestry, fisheries & food, pre-clinical sciences, clinical medicine, health, natural resources & energy, engineering, information & communication technology."2008>
- Science and technology resources [electronic resource] : a guide for information professionals and researchers / James E. Bobick and G. Lynn Berard, Santa Barbara, Calif. : Libraries Unlimited, c2011. Mathematics is covered on pages 242-247, not very much.
Other important publishers are listed here. http://www.mathontheweb.org/mathweb/mi-publishers.html such as:
Walter de Gruyter, Inc.
Marcel Dekker, Inc.
Dover Publications, Inc.
Taylor & Francis