Halverson, Catharine books & textbook
Ocean Currents: Teacher''s Guide by Catharine Halverson (2001-09-30)
Lawrence Hall of Science / Paperback
On Sandy Shores
Strang, Craig Halversen, Catharine Hosoume, Kimi Halverson, Catharine
Gems /1999T Paperback / 212 Pages
isbn-10: 0924886331 / isbn-13: 9780924886331