In the past, 3 years they said my stones were calcium oxalate. To prevent they said to avoid high oxalate foods. The problem, I cannot locate any concrete list of foods with oxalate.

3. Terlinsky AS, Grochowski J, Geoly KL, Strauch BS, Hefter L. Monohydrate calcium oxalate crystalluria in ethylene glycol poisoning. N Engl J Med 1980;302:922-922.