Barclay, D. (1959). Holidays and family traditions. In D. Barclay, Understanding the city child: A book for parents (pp. 114-123). New York, NY, US: Franklin Watts.
http://dx.doi.org/10.1037/14327-017
A feeling of continuity is strengthened by family tradition and ritual. The words have an elegant, old world sound; but they may represent practices as simple as a roof picnic (for apartment dwellers) the first warm day each spring, or as complex as a family pageant every Christmas Eve. (PsycINFO Database Record (c) 2016 APA, all rights reserved)