The Papers of Robert Winthrop Kean
Mr. Kean, the father of the former Governor Thomas Kean, was a prominent New Jersey politician who served in the House of Representatives from 1939 to 1959. His career on Capitol Hill spanned two critical decades in 20th Century American history. The collection consists of 114 linear feet of letters to and from constituents and other printed material. The finding aid, which includes a folder level listing, is available here.

The Papers of Florence Dwyer 
Ms. Dwyer was the second woman - and first Republican woman - elected to Congress from New Jersey. She served in the House from 1957 to 1973. She was a staunch advocate for women's rights, and was an outspoken critic of the Vietnam War.  The collection consists of 445 linear feet of letters to and from constituents, photographs, and other printed material.  The finding aid draft, which includes a folder level listing, is available here.
We're lucky to have a few images that include both 
Congressman Kean and Congresswoman Dwyer.  
This was taken in April 1958, when their terms overlapped.