Wolfensberger, Wolf (1969-01-10). "The Origin and Nature of Our Institutional Models". Changing Patterns in Residential Services for the Mentally Retarded. Washington, D.C.: President's Committee on Mental Retardation. Archived from the original on 2006-05-12.
Yamanaka, A.; Saiki, S.; Tamura, S.; Saito, K. (1969). "Problems in chronic obstructive bronchial diseases, with special reference to diffuse panbronchiolitis". Naika (in Japanese). 23 (3): 442–451. PMID5783341.
Wolfensberger, Wolf (1969-01-10). "The Origin and Nature of Our Institutional Models". Changing Patterns in Residential Services for the Mentally Retarded. Washington, D.C.: President's Committee on Mental Retardation. Archived from the original on 2006-05-12.