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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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46
A "New Deal" for soft coal : the attempted revitalization of the bituminous coal industry under the New Deal
Published 1968Thesis Book -
47
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48
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49
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50
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51
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52
Businessmen and anthracite: aspects of change in the late nineteenth century anthracite industry.
Published 1978Thesis Book -
53
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54
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55
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56
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57
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58
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59
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60