The Othmer Library

The Othmer Library is a haven for research, collections, archives and ephemera on all things Brooklyn.

The Othmer Library is open during the following times:

  • Tuesday: 12:00pm - 5:45pm
  • Wednesday: 12:00pm - 5:45pm
  • Thursday: 12:00pm - 5:45pm
  • Friday: 10:00am - 3:45pm
  • Saturday: 10:00am - 3:45pm
  • Sunday closed
  • Monday closed

Making an Appointment 

We strive to accommodate every patron. Research appointments are encouraged to facilitate a seamless research experience. Patrons can request an appointment by emailing

Please include a description of what you're interested in researching or the collection name, call number and, if applicable, box numbers. You will receive an email confirmation once you are scheduled.

Several collections are stored offsite and require a minimum of two weeks notice to use. To view the full list click here.

Patrons are encouraged to take advantage of our digital resources by visiting the remote research guide.

Preparing for Your Visit

Here are some tips to help you prepare for your visit to the Othmer Library:

  • You will be asked to check your coats and bags. We have small cubbies available to store personal items.
  • You can use pencils, notepads, laptops, or tablets during your research at CBH.
  • You must leave pens, food, drink, and gum in your checked bag.
  • It is cold in our library, so bring an extra layer to keep warm!
  • Free Wi-Fi is available. There are a limited number of electrical outlets in the reading room.

Cameras in the Reading Room

CBH allows photography of collection materials for research purposes. CBH also allows visitors to photograph the reading room.

  • Hand-held, still photography cameras and cell phone cameras only.
  • Flash is not permitted.
  • Tripods, chairs, stools, ladders, or similar devices are not permitted.
  • Manuscripts, maps, broadsides, and other single sheets must be kept flat on the table while being photographed.
  • Books, bound manuscripts, and other bound materials must be photographed while in a cradle.
  • Please respect the privacy of other researchers and visitors, and do not include them in your photographs.

Reproduction Requests

Please visit this page for more information about rights and reproductions.


Search Our Collections

View our collection guides and access our digital collections here.  


Research Help

Interested in Archival research? Need a hand with your project? Have a question about our collections? Submit a research request form and a librarian will contact you.


Interested in a Class visit?

For undergraduate and graduate level class visits, email us 

For K-12 instructors, please check out Education at CBH


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