FlagGeek / Independent research
Vexillological research &
historical flag archive
Find flags, explore their history, and follow the sources. Individual records, research and reference material in one connected archive.
Featured flag records
Browse the sample collection
DenmarkHistorical
Danish Pilot-Calling Flag
Lodskaldeflaget
19th century
Pilot · MaritimeFG-060
SwedenCurrent
Swedish National Flag
Sveriges flagga
Contemporary
NationalDEMO-003
DenmarkUnverified
Maritime Signal Study
Undated
Maritime · SignalDEMO-006
NorwayCurrent
Norwegian National Flag
Norges flagg
Contemporary
NationalDEMO-004
Latest research
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Research methods · Sample essay
Reading a flag: from object to evidence
A sample research essay on documenting flag objects, separating observation from attribution, and building a traceable source record.
Read research →Research toolkit
Flag sizes & dimensions
Compare structured reference tables.
Historical flag books
Flaggenbuch editions and catalogue records.
Manufacturer labels
Annin, Bonner and identification guides.
Research resources
Source registers, tools and archival directories.