https://www.gov.uk/government/publications/identity-proofing-and-verification-of-an-individual
This gov.uk guidance helps you to prove someone's identity.

https://www.gov.uk/government/publications/identity-proofing-and-verification-of-an-individual/how-to-prove-and-verify-someones-identity
gov.uk guidance on how to prove someone's identity.

https://www.gov.uk/government/publications/identity-document-validation-technology/identification-document-validation-technology
‍‍gov.uk guidance relating to identity document validation technology.

https://www.gov.uk/government/publications/basic-passport-checks
Useful document from gov.uk on all UK passports and their security features.

https://www.gov.uk/government/publications/dbs-identity-checking-guidelines
gov.uk guidance for DBS Identity Checking Guidelines.

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http://www.edisontd.net/
Website which is like PRADO and has extensive worldwide content of travel documents.

https://www.consilium.europa.eu/prado/en/prado-start-page.html
PRADO EU funded database of travel documents but also includes driving licences.

https://www.consilium.europa.eu/prado/en/prado-start-page.html
EU website for checking member states driving licence models, current and historic.

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