The fonds is arranged in 12 series: Alpha-numeric series (A1-W27), 1959-93; Derrick Mallard series, 1947-2001; Gwen Mallard series, 1968-97; B.C. Environmental Associations, 1972-2000; BC Environmental newsletters, 1970-2000; Community Associations, 1990-2000; Capital Regional District, 1990-2000; Foundations, 1994-2000; Issues, 1973-2000; Land preservation, 1990-2000; Awards, 1992-2001; Photographs. The Alpha-Numeric system was established by Derrick Mallard in the early years of his environmental work. The vast majority of the files were left un-filed, and constitute the Mallards research files relating to their C.A.S.E. work. These have been arranged in series reflecting the subject groupings of his early alpha-numeric system. Administrative files relating to C.A.S.E. have been arranged in the B.C. Environmental Associations series. Approximately 300 reports and publications have been transferred to Special Collections, and cataloged as the Derrick Mallard Collection. They are on a wide variety of environmental subjects, including: water, sewage, transportation, parks, farming, noise, fishing, endangered species and global issues.