CRL primarily holds newspapers in microfilm that can be requested through InterLibrary Loan and viewed on the microfilm machines in Olin Library. It's also possible to request a range of a newspaper for "Digital Delivery." Use the same InterLibrary Loan form and add your request in the notes. These newspapers will be scans of microfilm- you will see images of the original pages in black/white.
This link may bring you to the materials already digitized.
To Search: Advanced Search, Subject: Pakistan newspapers, Reproduction Type: Online