Use this form to ask a reference question, such as:
- bibliographic citation verification (maximum of 10)
- publisher information
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We can answer up to 10 questions at a time. We will respond within one business day for questions submitted from 8 a.m. Monday through Friday noon. Questions submitted Friday afternoon through the weekend will receive a response by 4:30 p.m. the following Monday. For an extended question or for a research consultation, please contact the Information Desk at 301-496-1080.
Reference Question:
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