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  1. By: Clark, Howard O. Jr.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 119
    Issue: 1
    Date: 2005-01-01
    Page Range: 134--134
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Clark, Howard O. Jr.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 122
    Issue: 4
    Date: 2008-10-01
    Page Range: 358--358
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Clark, Howard O. Jr.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 123
    Issue: 1
    Date: 2009-01-01
    Page Range: 81--81
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Clark, Howard O. Jr.
    Type: Review
    In: Amphibian & reptile conservation
    Volume: 5
    Date: 2011
    Page Range: 105--107
    Publication Info: Provo, Utah Amphibian & Reptile Conservation [1996-
  5. By: Clark, Howard O. Jr.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 125
    Issue: 1
    Date: 2011-01-01
    Page Range: 90--91
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Clark, Howard O. Jr.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 125
    Issue: 2
    Date: 2011-04-01
    Page Range: 167--168
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  7. By: Clark, Howard O. Jr.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 126
    Issue: 1
    Date: 2012-10-03
    Page Range: 68--69
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  8. By: Clark, Howard O. Jr.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 127
    Issue: 1
    Date: 2013-07-15
    Page Range: 84--85
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  9. By: Clark, Howard O. Jr. - Hassapakis, Craig
    Type: Review
    In: Amphibian & reptile conservation
    Volume: 8
    Date: 2014
    Page Range: 141--142
    Publication Info: Provo, Utah Amphibian & Reptile Conservation [1996-
  10. By: Clark, Howard O. Jr.
    Type: Article
    In: Amphibian & reptile conservation
    Volume: 13
    Issue: 2
    Date: 2019
    Page Range: 265--266
    Publication Info: Provo, Utah Amphibian & Reptile Conservation [1996-
  11. By: Clark, Howard O. Jr.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 133
    Issue: 3
    Date: 2019-07-01
    Page Range: 279--280
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  12. By: Clark, Howard O. Jr.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 133
    Issue: 4
    Date: 2019-10-01
    Page Range: 386--387
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  13. By: Clark, Howard O. Jr.
    Type: Article
    In: Amphibian & reptile conservation
    Volume: 14
    Issue: 3
    Date: 2020
    Page Range: 84--85
    Publication Info: Provo, Utah Amphibian & Reptile Conservation [1996-
  14. By: Clark, Howard O. Jr.
    Type: Article
    In: Amphibian & reptile conservation
    Volume: 14
    Issue: 3
    Date: 2020
    Page Range: 70--73
    Publication Info: Provo, Utah Amphibian & Reptile Conservation [1996-