Online Documentation
American Heritage Time Use Study (AHTUS) Codebook
Kimberly Fisher and Jonathan Gershuny (2015) Oxford: Centre for Time Use Research.
With previous contributions from Evrim Altintas (CTUR), Muriel Egerton (CTUR), Anne Gauthier (University of Calgary, Canada), Roger Patulny (University of New South Wales, Australia), Andreas Pollmann (University of Essex, UK), John Robinson (University of Maryland, USA), Nuno Torres, (University of Essex, UK).