Civil Rights Digital Library

Use quotation marks to search as a phrase
Use "+" before a term to make it required (Otherwise results matching only some of your terms may be included)
Use "-" before a word or phrase to exclude
Use "OR", "AND", and "NOT" (must be capitalized) to create complex boolean logic
You can use parentheses in your complex expressions
Truncation and wildcards are not supported

This Search	Will Find
“Montgomery Bus Boycott”	Records that have the exact phrase Montgomery Bus Boycott
Albany OR Augusta +integration	Records with the word integration that also contain the words Albany and/or Augusta
King -Martin	Records with the name King but not the name Martin
“Freedom Rides” AND Carter	Records containing the phrase “Freedom Rides” and the name Carter
Selma AND (Lewis OR Williams)	Records containing the words Selma and Lewis or Selma and Williams

CRDL API

This site provides an API for researchers and digital humanists. Responses come in either XML or JSON flavor.

Endpoints

URL Scheme	Description	Expected Response	Notes	Example
`https://crdl.usg.edu/records.json` `https://crdl.usg.edu/records.xml`	Returns all records in a paginated list with facet data.	Item(s), Facet information	Combine with query parameters to limit results. Results are paginated.	JSON results for query "columns" in Clarke County
`https://crdl.usg.edu/record/{identifier}.json` `https://crdl.usg.edu/record/{identifier}.xml`	Returns all available metadata for the record corresponding to `identifier`.	An Item		JSON for `nge_ngen_m-3543`
`https://crdl.usg.edu/records.json?search_field=record_id&q={identifier}+OR+{another_identifier}`	Returns JSON for a specific set of records using record IDs separated by OR.	Item(s), Facet information	Identifiers can be extracted from individual record page URLs (in this example the ID is `gsu_lane_13327`)	JSON for `dlg_efhf_efhf` and `dlg_efhf_efhf2`
`https://crdl.usg.edu/collections.json` `https://crdl.usg.edu/collections.xml`	Returns all collection records in a paginated list with facet data.	Collection(s), Facet information	Combine with query parameters to limit results. Results are paginated.	JSON results for collections matching query "architecture"
`https://crdl.usg.edu/collection/{identifier}.json` `https://crdl.usg.edu/collection/{identifier}.xml`	Returns all items contained in the collection corresponding to	Item(s), Facet information		JSON for all records in collection `dlg_bald`
`https://crdl.usg.edu/people/{letter}.json`	Returns all people whose last name begin with `letter`.	People, Facet information		JSON results for people with a last name starting with the letter `b`
`https://crdl.usg.edu/people/{identifier}.json`	Returns all available metadata for the person corresponding to `identifier`.	Person, related Records, Facet information		JSON for person `king_martin_luther_jr_1929_1968`
`https://crdl.usg.edu/events.json`	Returns all events.	Event(s), Facet information		JSON results for all events
`https://crdl.usg.edu/events/{identifier}.json`	Returns all available metadata for the Event corresponding to `identifier`.	Event, related Records, Facet information		JSON for event `montgomery_bus_boycott`