- Author: Duggan Kevin J
- Language: English
- Year: 2016
- Author: Duggan Kevin J
- Language: English
- Year: 2016
Waffles Вафли
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- Author: Tara Duggan
- Language: English
- Year: 2012
- Author: Michael Duggan
- Language: English
- Year: 2009
- Author: Jim Duggan (auth.)
- Language: English
- Year: 2016
- Author: Marian Duggan and Vicky Heap
- Language: English
- Year: 2014
- Author: Martin Duggan
- Language: English
- Year: 2014
- Author: James Freeman & Caitlin Freeman & Tara Duggan
- Language: English
- Year: 2012
- Author: John Duggan Henry Cord Meyer (auth.)
- Language: English
- Year: 2001
- Author: Patrick Duggan Lisa Peschel (eds.)
- Language: English
- Year: 2016