Each data source has their own procedures to extract data. Some use third-party programs, some have a convenient data package you can download in one click, and some require going through an Application Programming Interface (API). Each source has more detailed steps listed below. Please contact AskDSP@udel.libanswers.com for assistance.
Data is delivered in a variety of formats.
This spreadsheet lists primary source collections that the Library has access to. For text and data mining purposes, the data must be requested from Adam Matthew. Contact a librarian at AskDSP@udel.libanswers.com to get started.
Digital Public Library of America
TAGS (Twitter Archiving Google Sheet)