These references are related to the general topic of cumulative effects assessment (CEA), or to specific processes and methods for addressing cumulative effects (CEs) on three valued environmental components (VECs) -- air quality, threatened or endangered species, and wetlands. The references related to CEA are divided into two categories — laws, regulations, and guidelines documents; and literature review documents and papers. The references related to CEs on VECs are divided, by VEC, into air quality, threatened or endangered species, and wetlands. References include approximately links to websites containing regulations, guidance, environmental information, etc.