The Syracuse City Zoning Office now has its ZONING atlas online. The atlas is in 27 sheets, each are in a .PDF format and the sheets are 34" by 44". Each sheet has a notice of when it was last updated.
From Stanford University - An exhibit of Stanford collection of 700+ OSS maps produced during World War Two.
The SU map collection has a collection of 640 OSS maps that can be searched for in the Classic Catalog.