comprise a set of standards for romanization of texts in various languages, written in non-Latin writing systems. These romanization systems are intended for bibliographic cataloguing, and used in US and Canadian libraries, by the British Library since 1975, and in many publications worldwide.

The romanization tables were first discussed by the American Library Association in 1885, and published in 1904 and 1908, including rules for romanizing some languages written in Cyrillic script: Church Slavic,