- Morgan, E.; Mull, H.K.; Washburn, M.F.
- An Attempt to Test Moods or Temperaments of Cheerfulness and Depression by Directed Recall of Emotionally Toned Experiences.
- American Journal of Psychology, 1919, Vol. 30, 302 - 304
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- Yes, included as study.