“…'For the overall theoretical development of the concept of informal organization, see Kahane (1975aKahane ( , 1986. In constructing an informal code, we used the following sources: research material (e.g., Aries, 1962;Adler, 1962;Coleman, 1961;Eisenstadt, 1971;Gottlieb, et al 1966), autobiographies and diaries of youth leaders and participants in youth associations, youth movement program guides, newspapers, and journals, various documents concerned with the history of different youth movements and youth clubs (e.g., Baden-Powell, 1917;Laqueur, 1962;Shazker, 1969;Stachura, 1975), participant observations in various types ofactivities in informal frameworks.…”