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41
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42
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43
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44
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45
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46Published 1967Subjects “...Technology....”
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47
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48
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49
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50Published 1978Subjects “...Technology Papua New Guinea....”
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51
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52
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53
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54by White, K. D. (Kenneth Douglas), 1908-Subjects “...Technology History Greece....”
Published 1984
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55Published 1980Subjects “...Technology Congresses....”
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56Published 1979Subjects “...Technology History Congresses....”
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57by Holland, Charles D. (Charles Donald)Subjects “...Separation (Technology)...”
Published 1975
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58Published 1990Subjects “...Technology United States History....”
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59Published 1989Subjects “...Technology Philosophy Congresses....”
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60