The Dewey Decimal, Universal Decimal, and Bliss Bibliographic classifications are used by?
Universal Decimal Classification groups "0/2" Dates and ranges of time (CE or AD) in conventional Christian (Gregorian) reckoning -02 Common auxiliaries of properties Special classifications based on or used in combination with UDC Other faceted classifications: Other library classifications Universal Decimal Classification The Universal Decimal Classification (UDC) is a bibliographic and library classification representing the systematic arrangement of all branches of human knowledge organized as a coherent system in which knowledge fields are related and inter-linked. The UDC is an analytico-synthetic and faceted classification system featuring detailed vocabulary and syntax that enables powerful content indexing and information retrieval in large collections. Since 1991,
Dewey Decimal Classification had bias in them as well as far as the classification scheme, but have been easier to edit than the religion schema, and changes have been made. Some changes that have been made have been on what items are side by side numerically. Those items that are side by side are related to each other in the classification scheme. For example, the topic on women used to be next to etiquette. Those two terms being next to each other would associate women with etiquette rather than etiquette being gender neutral. This was changed in DDC version 17. Dewey Decimal Classification