[1]

Textus Text Format - Textus - An Open Platform for Working With Cultural and Historial Texts - Open Knowledge Foundation (Open Knowledge Foundation Labs著, 2015-03-22 11:08:57 +09:00) http://okfnlabs.org/textus/doc/textus-format.html

BibJSON Metadata
If the type string is set to ‘textus:bibjson’ the payload member should contain a description of the referenced range using the tag names defined at the BibJSON site.

[2] The purpose of BibJSON (2015-03-20 05:54:52 +09:00) http://okfnlabs.org/bibjson/

[3] okfn/bibjson: BibJSON spec and website (2016-10-21 12:51:42 +09:00) https://github.com/okfn/bibjson