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AVERAGE
YEARLY EARNINGS OF SKILLED AND UNSKILLED WAGE-EARNERS IN PENNSYLVANIA AND IN 20 CITIES OF THE STATE FOR 1900 AS DEDUCTED FROM THE FOREGOING FEDERAL CENSUS SHEETS.
STATISTICS OF MANUFACTURES, 1892, Comparative Series, 83-260
STATISTICS OF MANUFACTURES, 1896, Comparative Series, 261-602
Comparison of value of average annual product per employe,
391-416
Comparison of relative per cent. basic material to value of pro-
duction,
496-522
Comparison of relative per cent. wages to value of production,...
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