The Manhattan Research Library Initiative (MaRLI), enables Columbia doctoral students and full-time faculty to borrow research materials from New York University Libraries and New York Public Library. See the MARLI website for more information http://www.columbia.edu/cu/libraries/projects/marli.html
In order to take advantage of this service, register with MaRLI for Borrowing Privileges at NYU and NYPL Research Division
If you have questions about MaRLI contact firstname.lastname@example.org
Looking for opinion poll or survey information? Search these databases:
iPoll Databank US polls originally gathered by academic, commercial and media survey organizations such as Gallup Organization, Harris Interactive, Pew Research Associates, and many more. From 1935 to present.
Polling the Nations Polls on a variety of subjects conducted by over 1000 polling organizations in the United States and 100 other countries from 1986 to the present time.
Peruse also this research guide on Opinion Poll Data