For NYC Health + Hospitals/Kings County logos, letterheads, templates and other branded items, use this website to download:
http://hhcinsider.nychhc.org/sites/Branding/Pages/Index.aspx
Kings County Generic Letterhead
For questions related to branding, you can contact: Ann Ormsby at 212-323-2474
For SUNY Downstate logos and templates:
Downstate Powerpoint Templates
The above are the sources, but below are some samples.
