|
Frogs 7904 : Scieszka, Jon.
|
1994
|
1
|
|
Frogs Behavior : Guiberson, Brenda Z.
|
2013
|
1
|
|
Frogs Comic Books Strips Etc Fiction : Sonneborn, Scott.
|
2013
|
1
|
|
Frogs Effect Of Pesticides On : Turner, Pamela S.
|
2009
|
1
|
|
Frogs Fiction 9124 : Scieszka, Jon.
|
1994
|
1
|
|
Frogs Miscellanea : Glaser, Linda.
|
1999
|
1
|
|
From 10 Thousand To 65 Million Years Ago : Carlston, Charles W.
|
1962
|
1
|
|
From 10 To 55 Million Years Ago : Ward, Lauck W.,
|
1978
|
1
|
|
From 25 To 55 Million Years Ago : Cushman, Joseph A.
|
1920
|
1
|
|
From 40 To 140 Million Years Ago : Berry, Edward Wilber,
|
1914
|
1
|
|
From 55 To 65 Million Years Ago : Yen, Teng-Chien,
|
1947
|
1
|
|
From 65 To 190 Million Years Ago : Condon, Steven M.,
|
1988
|
1
|
|
From 140 To 280 Million Years Ago : Condon, Steven M.,
|
1989
|
1
|
|
From 190 To 570 Million Years Ago : Wenrich, Karen J.,
|
1992
|
1
|
|
From 230 Million To 5 Billion Years Ago : Roy, Ashit Baran,
|
2018
|
1
|