@article {7674,
	title = {4-H club and older youth studies, 1940-41:  Summaries, findings, bibliography, studies in progress},
	year = {1941},
	pages = {30 pp},
	author = {Barnard D. Joy and L. Crile}
}
@article {7794,
	title = {Partial and preliminary report of study of local 4-H club programs in Iowa, Nebraska, North Dakota, and South Dakota.},
	year = {1941},
	pages = {34p},
	institution = {United States Department of Agriculture},
	address = {Washington DC},
	url = {https://www.worldcat.org/oclc/643929400},
	author = {Barnard D. Joy}
}
@article {7856,
	title = {State leaders in Iowa, Nebraska, North Dakota, and South Dakota},
	year = {1941},
	author = {Ray A. Turner and Barnard D. Joy}
}
@article {7857,
	title = {Tentative conclusions from study of local 4-H club programs in Iowa, Nebraska, North Dakota and South Dakota},
	year = {1941},
	pages = {33 pp.},
	author = {Ray A. Turner and Barnard D. Joy}
}
@article {7672,
	title = {Volunteer leaders are essential to the 4-H program:  A study of local leadership in 4-H club work in Kansas, Minnesota, Missouri and Wisconsin},
	year = {1941},
	note = {includes instrument},
	month = {February 1941},
	pages = {29 pp.},
	author = {Barnard D. Joy and M. H. Coe and T. Erickson and Grace Rowntree and Ray A. Turner}
}
@article {7681,
	title = {4-H club and older youth studies:  Some findings, bibliography and studies in progress},
	year = {1940},
	author = {Barnard D. Joy}
}
@article {7673,
	title = {Problems of 4-H local leaders in Illinois, Indiana, Michigan, Ohio:  One thousand one hundred and thirty leaders furnished information about their seven most difficult problems in leading local 4-H clubs},
	year = {1939},
	month = {March 1939},
	pages = {31 pp.},
	abstract = {One thousand, one hundred and 30 leaders furnished information about their 7 most difficult problems in leading local 4-H clubs:  Training judging teams, training demonstration teams, getting youth people interested in 4-H club work, getting parents to feel like they are an active part of 4-H club working, making the club program a year-round one, holding members 15 to 20 years, getting members to plan their own program.},
	author = {Barnard D. Joy and W. Palmer and H Ainsworth and A. Kettunen and E. T. Pilchard}
}
@article {7676,
	title = {Twenty-five years of 4-H club work:  Analysis of statistical trends with special reference to 1938},
	year = {1939},
	pages = {19 pp.},
	author = {Barnard D. Joy}
}
@booklet {6993,
	title = {Situation, problems and interests of unmarried rural young people, 16-25 years of age},
	year = {1938},
	author = {J. V. Highfill and Bernard D. Jay}
}
@article {7678,
	title = {Situations, problems and interests of unmarried rural young people 16-25 years of age - Utah},
	year = {1938},
	note = {includes instrument},
	pages = {43 pp.},
	author = {Barnard D. Joy and D. P. Murray}
}
@article {7417,
	title = {Who joins 4-H clubs?},
	journal = {Agricultural Extension Service Review},
	volume = {9},
	year = {1938},
	pages = {21},
	author = {Barnard D. Joy}
}
@article {7675,
	title = {Organization and programs for rural young people.  Summary of the 1935 annual narrative reports of state Extension directors, leaders and specialists, including many excerpts},
	year = {1936},
	month = {October 1936},
	pages = {25 pp.},
	author = {Barnard D. Joy}
}
@article {7679,
	title = {Statistical analysis of trends in 4-H club work with special reference to 1935},
	year = {1936},
	author = {Barnard D. Joy}
}
@article {7680,
	title = {Statistical analysis of trends in 4-H club work with special reference to 1935},
	year = {1936},
	pages = {29 pp.},
	author = {Barnard D. Joy}
}
@article {7677,
	title = {The length of 4-H club membership.  Part 1.},
	year = {1934},
	pages = {25 pp.},
	author = {Barnard D. Joy}
}
@booklet {7008,
	title = {The length of 4-H club membership:  Part II:  How long do the young people who join 4-H clubs continue their membership},
	year = {1934},
	note = {Located in Archives II, College Park, MD},
	month = {August 1934},
	author = {Barnard D. Joy}
}
@mastersthesis {7964,
	title = {Some factors influencing length of 4-H club membership},
	volume = {M.A.},
	year = {1934},
	school = {University of Maryland},
	type = {Master{\textquoteright}s thesis},
	author = {Barnard D. Joy}
}
