Author

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Daniel Janzen
University of Pennsylvania , Philadelphia, United States of America
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6 articles by this author

Research Article
doi: 10.3897/jhr.68.30131
 25-02-2019
 Unique: 523  |  Total: 790
 1-11
Research Article
doi: 10.3897/JHR.50.8220
 27-06-2016
 Unique: 1931  |  Total: 3688
 25-79
Research Article
doi: 10.3897/JHR.41.8586
 22-12-2014
 Unique: 1709  |  Total: 3002
 1-29
Research Article
doi: 10.3897/jhr.37.6748
 28-03-2014
 Unique: 2954  |  Total: 5261
 1-52
Research Article
doi: 10.3897/jhr.35.5496
 25-10-2013
 Unique: 3807  |  Total: 7069
 17-31
Research Article
doi: 10.3897/jhr.29.3233
 15-10-2012
 Unique: 5415  |  Total: 7603
 119-144