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New delivery method for non-subscribing users ordering the 2026 edition: CNTS Data Lookup and Download and the optional CNTS LINKS Lookup and Download -- enhanced online interfaces enabling extraction and download of customized datasets quickly and easily.

Supporting files such as User Manual, Codebook, Bibliography and Independent States Since 1815 are included in the interface.

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For various CNTS options and pricing, or to order, select from the following:

Academic Library License

Libraries subscribing annually will have access to the data and supporting files, including all updates, via their IP address ranges.

Libraries desiring a one-time purchase will receive a link for the CNTS Data Lookup and Download and optionally the LINKS Lookup and Download, and then must restrict use of CNTS to one person at a time. There is no expiration for use.

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Academic Individual or Team License

Single users or teams of up to three users will receive a link to the CNTS Data Lookup and Download and optionally the LINKS Lookup and Download. The licenses are non-transferable to others, and have no expiration. Updates within the calendar year will also be provided. 

Multiple Site License

For institutions with more than one campus or site, and those wanting multiple simultaneous users, options are either IP access (subscription) or receiving the CNTS Data Lookup and Download and optionally the LINKS Lookup and Download as a one-time purchase.

Non-Academic License

Single site non-profit, governmental or commercial entities subscribing annually will have access to the data and supporting files, including all updates, via their IP address ranges. Those desiring a one-time purchase will receive the CNTS Data Lookup and Download and optionally the LINKS Lookup and Download and then must restrict use of the data to one person at a time. There is no expiration for use.

For multiple simultaneous users, see Multiple Site License.

LINKS UPGRADE

Only for those already holding a current license who wish to add the LINKS files to CNTS, or upgrade from an Individual (single user) license to a team (of up to three users). They will receive the LINKS Lookup and Download.

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