The Mass Observation Archive is one of the Special Collections in the care of the University of Sussex at The Keep. You can use The Keep's website to search the Mass Observation catalogues. You will need to visit the Archive to view the actual materials or you can take a look at our resources page to find out about accessing material online. We've provided an overview of the collection and a set of links to the relevant catalogues at The Keep in the menues below.

Mass Observation, 1937-1950s
Find out more out the types of material collected by Mass Observation and how the collection is organised.
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The Mass Observation Project, 1981-ongoing
Discover what themes and subjects have been covered by the Mass Observation Project since it began in 1981.
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Personal Papers
Our Personal Papers collection contains letters, diaries and documents created by people in Britain since the beginning of the 20th century.
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Other Collections
The Archive also contains papers created by organisations and groups that relate closely to the historical period and themes of Mass Observation.
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Using the Archive
Find out more about how researchers have used the Mass Observation Archive
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