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41
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42
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43
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44Published 1977“...United States Social conditions 1960-1980....”
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45
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46
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47
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48
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49Published 1981“...United States Social conditions 1960-1980....”
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50
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51
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52by Rees, P. H. (Philip H.), 1944-“...United States Social conditions 1960-1980....”
Published 1979
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53
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54
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55by Cutler, Richard Loyd, 1925-“...United States Social conditions 1960-1980....”
Published 1973
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56by Dellinger, David T., 1915-2004“...United States Social conditions 1960-1980....”
Published 1975
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57
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58
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59
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60