(P6580)
English
National Book Foundation book ID
identifier for a book on the website of the National Book Foundation
Data type
External identifier
Statements
https://www.nationalbook.org/books/$1/
^https?:\/\/(?:www\.)?nationalbook\.org\/books\/([a-z]+(-[a-z]+)*)\/
1 reference
Constraints
[a-z]+(-[a-z]+)*