Columbia University Mailman School of Public Health

Terms of Use

NCCP encourages the use of its materials in other publications, in classrooms, in scholarly works such as textbooks and dissertations, and in other settings where NCCP can receive wider exposure for its work.

Linking to the NCCP Site

NCCP also encourages the linking of its website materials to other websites that contain material with a similar focus and orientation. No permission is required to do so, but if you do link to our site or any document within it, we ask that you notify us at

Links from the NCCP Site

NCCP is not responsible for the content in other sites, and links from to other sites are not intended to imply endorsement of them by NCCP.

Citation for Noncommercial Use

This site, as well as all documents available for download directly from the site, is copyrighted by The Trustees of Columbia University in the City of New York, for its National Center for Children in Poverty (NCCP), unless designated otherwise. No permission is required for reprinting NCCP materials (in whole or in part) for personal, educational, or advocacy purposes. We do ask, however, that you provide proper credit to the publication and the organization. Please follow the following model for citation:

Knitzer, Jane; Lefkowitz, Jill. 2006. Helping the Most Vulnerable Infants, Toddlers, and Their Families. National Center for Children in Poverty, Columbia University Mailman School of Public Health.

Commercial Use of NCCP Materials

NCCP information may not be used for commercial purposes or distributed for profit without prior written permission. Requests for permission to reprint material in whole or in part for these purposes should be sent in writing to the NCCP office. Always include a copy of the material you propose to reproduce and provide full information about where the NCCP material will be used. Allow at least 3 weeks for a reply.

At the time of your request, you may be asked to make use of more current NCCP material, especially if it relates to statistical data that are updated on a regular basis. Please provide full contact information, including phone number, fax number, or e-mail address.