Online Catalogs

Black Gold Cooperative Library System - public library catalogs of Paso Robles, Santa Maria, San Luis Obispo, Santa Barbara, Blanchard Community, and Lompoc Public Libraries.

North Bay Cooperative Library System - serving thirty-four library jurisdictions in seven Northern California counties: Lake, Marin, Mendocino, Napa, San Francisco, Solano, and Sonoma.

Monterey Bay Area Cooperative Library System - a consortium of twenty-four public, academic and special libraries in the counties of Monterey, San Benito and Santa Cruz on the California Central Coast.

Metropolitan Cooperative Library System - MCLS is an association of libraries in the greater Los Angeles area, which shares resources to improve library service to the residents of all participating jurisdictions.