Gunnar Hedlund
![Hedlund in 1966](https://upload.wikimedia.org/wikipedia/commons/6/65/Gunnar_Hedlund_1966_%28cropped%29.jpg)
1
Published: 2013.
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2
Published: [2016]
Superior document: Title is part of eBook package: De Gruyter University of Pennsylvania Press Package Archive 1898-1999
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