Microfilm & Microfiche
Before digital storage became easy and cheap, microfilm was a way for libraries to maintain large collections of newspapers, government documents, and historical documents while saving physical storage space. Many of the UC Berkeley Libraries still have extensive microform (microfilm and microfiche) collections, containing valuable information for researchers.
Since each roll of microfilm (or microfiche card) contains thousands of tiny images of the original documents, you'll need a microfilm reader to magnify the images so that you can read, print, and scan the images.
When you search OskiCat or MELVYL you will find materials with the word [microform] in the title; check to see which library owns the item. To search specifically for microform materials, use Advanced Keyword Search to limit your search to "All Microforms."