Individual-level indicator descriptions
| Publication descriptors | |
| PubLanguage | Coded as 1 = English / 0 = Non-English |
| PublisherType | Coded as 1 = Commercial / 0 = Noncommercial |
| SubjectClass | Library of Congress (e.g., ML423.B33); Dewey Decimal Classification (e.g., MARC format: $a302.35 $223) |
| SubjectArea | Coded as follows: 1 = Accounting/Business/Management; 2 = Arts/Architecture/Design; 3 = Computing/Maths/Science; 4 = Economics; 5 = Education; 6 = Geography; 7 = Geology; 8 = Health/Medicine; 9 = History; 10 = Law; 11 = Linguistics; 12 = Literary Studies; 13 = Media/Communication; 14 = Philosophy; 15 = Political Science; 16 = Psychology/Social Sciences; 17 = Religion; 18 = Rhetorics; 19 = “Other” (i.e., Research Methods; Interdisciplinary Studies; Digital Humanities) |
| WorldCat | |
| Library holding | A count of how often the book is held in international libraries. |
| Country distribution | A count of book holdings at the level of a specific country (e.g., when a book is held in five libraries in Denmark and two libraries from Sweden, the book has been distributed in libraries across two countries). |
| Google Scholar and Scopus | |
| Citations | A count of citations per individual book |
| PlumX altmetrics | |
| Usage counts | A signal for whether or not anyone is reading the book. Abstract Views; Full Text Views; Link-outs (EBSCO). (Note: WorldCat holdings not included—retrieved separately) |
| Captures | Bookmarks (e.g., Mendeley); Added to Goodreads library |
| Mentions | Amazon or Goodreads Reviews; Blog mentions; Wikipedia references |
| Social Media | Tweets; Shares and comments (Facebook) |
| Publication descriptors | |
| PubLanguage | Coded as 1 = English / 0 = Non-English |
| PublisherType | Coded as 1 = Commercial / 0 = Noncommercial |
| SubjectClass | Library of Congress (e.g., ML423.B33); Dewey Decimal Classification (e.g., MARC format: $a302.35 $223) |
| SubjectArea | Coded as follows: 1 = Accounting/Business/Management; 2 = Arts/Architecture/Design; 3 = Computing/Maths/Science; 4 = Economics; 5 = Education; 6 = Geography; 7 = Geology; 8 = Health/Medicine; 9 = History; 10 = Law; 11 = Linguistics; 12 = Literary Studies; 13 = Media/Communication; 14 = Philosophy; 15 = Political Science; 16 = Psychology/Social Sciences; 17 = Religion; 18 = Rhetorics; 19 = “Other” (i.e., Research Methods; Interdisciplinary Studies; Digital Humanities) |
| WorldCat | |
| Library holding | A count of how often the book is held in international libraries. |
| Country distribution | A count of book holdings at the level of a specific country (e.g., when a book is held in five libraries in Denmark and two libraries from Sweden, the book has been distributed in libraries across two countries). |
| Google Scholar and Scopus | |
| Citations | A count of citations per individual book |
| PlumX altmetrics | |
| Usage counts | A signal for whether or not anyone is reading the book. Abstract Views; Full Text Views; Link-outs (EBSCO). (Note: WorldCat holdings not included—retrieved separately) |
| Captures | Bookmarks (e.g., Mendeley); Added to Goodreads library |
| Mentions | Amazon or Goodreads Reviews; Blog mentions; Wikipedia references |
| Social Media | Tweets; Shares and comments (Facebook) |