Previous versions of Thema are still available 1.3 1.2.
Browse the Thema subject categories hierarchy, or search for a specific term within the hierarchy.
Use all A* codes for: specialist and general adult titles, including both highly illustrated and more text-based works. For a hobby or recreational approach, prefer a WF* code as the main subject and supplement with A* code(s) where appropriate. Use all A* codes with: other subject categories and qualifiers as appropriate, in particular STYLE 6*, plus PLACE 1* and TIME PERIOD 3* Qualifiers
|AG||The Arts: treatments and subjects
Use for: works on the fine, visual and applied arts. Use all AG* codes with: the relevant AB*, AF*, AG*, AJ* code(s) and also STYLE 6*, PLACE 1* and TIME PERIOD 3* Qualifiers as appropriate
|AGC||Exhibition catalogues and specific collections
Use for: publications that are linked to a temporary exhibition or the catalogues of permanent collections such as art galleries, museums or individual collectors. Use with: other A* codes to indicate Art form and a PLACE 1* Qualifiers if it is the catalogue of a permanent location such as a specific gallery or museum.
See also: WTHM Travel guides: museums, historic sites, galleries etc, GLZ Museology and heritage studies
- An ellipsis indicates a category has more detailed subcategories
- Click on a category description to reveal these ‘descendant’ subcategories
- Indentation indicates the ancestors and descendants of a category
- Click on the ✽ or ? to see or hide the usage notes
- Search for categories (for example ‘celebrity’) using the search field at the top
- Searches are not case-sensitive, and search both the category headings and any notes
- You don’t need to use complete words (eg ‘celeb’)
- You can also search for Thema codes – these searches must be exact (eg ‘MFGV’)
- Click on a search result category to see it ‘in context’ with its ancestor and descendant categories
- A click on ‘Category heading’ or a blank search returns you to the top level of the hierarchy
- Click on the notation to copy the code to the clipboard