Online Dictionaries:
- Wikitionary
http://en.wiktionary.org/
- Online Etymology Dictionary
http://www.etymonline.com/
- The Free Dictionary
http://www.thefreedictionary.com/
- Merriam Webster Dictionary
http://www.merriam-webster.com/
- Dictionary.com
http://dictionary.reference.com/
- Cambridge Dictionaries Online
http://dictionary.cambridge.org/
- Oxford Dictionaries
http://oxforddictionaries.com/
- Longman English Dictionary Online – LDOCE
http://www.ldoceonline.com/
- Word Reference: English Definition
http://www.wordreference.com/definition/
- Your Dictionary
http://www.yourdictionary.com/
- Macmillan Dictionary
http://www.macmillandictionary.com/
- Webster’s Online Dictionary
http://www.websters-online-dictionary.org/
Online Encyclopedia:
- Wikipedia: The Free Encyclopedia
http://en.wikipedia.org/wiki/Main_Page
- Encyclopedia Britannica
http://www.britannica.com/
- Encyclopedia.com
http://www.encyclopedia.com/
- Reference.com
http://www.reference.com
- Fact Monster: Encyclopedia Search based on Columbia Encyclopedia, Sixth Edition.
http://www.factmonster.com/encyclopedia.html
- Yahoo! Education
http://education.yahoo.com/
- Howstuffworks
http://www.howstuffworks.com
- The 1911 Classic Encyclopedia
http://www.1911encyclopedia.org/
Online and Offline:
- Banglapedia English
http://www.banglapedia.org/english/index.htm
- Banglapedia Bangla
http://www.banglapedia.org/bangla/index.htm
Offline/Print:
English:
- Chowdhury MM, 2007, Concise Dictionary of Fisheries and Environmental Science, First Edition, Narinda, Dhaka-1203, Bangladesh, 318pp.
- Deb P, 1972, An Explanatory Dictionary of Zoological Terms, First Edition, Binodini Commercial Institute, Sylhet, Bangladesh, 249pp.
- Islam S (Chief Editor), 2003. National Encyclopedia of Bangladesh, Volume I-X, Banglapedia Trust, Asiatic Society of Bangladesh, Dhaka, Bangladesh
- Jyoti MK and Sharma A, 2006, Fishes: Aid to Collection, Preservation and Identification, Delhi-110035, India, 179pp.
- Khan MAR, 2010, Fundamentals of Systematic Zoology, Aligarh Library, Rajshahi and Dhaka, Bangladesh, 380pp.
- Kotpal RL, 1994, Modern Textbook of Zoology: Vertebrates, Second Edition, Rastogi Publications, Meerut-250002, India, 632pp.
- Kotpal RL, 1994-95, Modern Textbook of Zoology: Invertebrates, Sixth Edition, Rastogi Publications, Meerut-250002, India, 648pp.
- Leftwich AW, 1983, A Dictionary of Zoology, First Indian Edition, CBS Publishers and Distributors, Delhi-110032, India, 478pp.
- Parker TJ and Haswell WA, 1995, Textbook of Zoology (Edited by Marshall AJ and Williams WD), Seventh Edition, AITBS Publications and Distributors, Delhi-110051, India, Volume I (Invertebrates): 874pp.
- Parker TJ and Haswell WA, 1995, Textbook of Zoology (Edited by Marshall AJ and Williams WD), Seventh Edition, AITBS Publications and Distributors, Delhi-110051, India, Volume II (Vertebrate), 952pp.
- Storer TI, Usinger RL, Stebbins RC and Nybakken JW, 1957, General Zoology, McGraw-Hill Book Company, New York. 899pp.
- Young JZ, 1962, The Life of Vertebrate, Second Edition, Oxford University Press, New York and Oxford, 820pp.
বাংলা:
- আমীন মাহমুদ-উল (সম্পাদক), ২০০১, স্নাতক প্রাণিবিজ্ঞান, দ্বিতীয় খণ্ডঃ কর্ডাটা, হাসান বুক হাউস, ঢাকা, বাংলাদেশ, ৯০৭পৃষ্ঠা।
- জ্যুলজিক্যাল সোসাইটি কলিকাতা, ১৯৯১, প্রাণিবিজ্ঞানের পারিভাষিক অভিধান, পশ্চিমবঙ্গ রাজ্য পুস্তকপর্ষদ, কলিকাতা, ভারত, ১৭৪পৃষ্ঠা।
- সামাদ মো আ, ২০১০, মাৎস্যবিজ্ঞান অভিধান, কবির পাবলিকেশন্স, ঢাকা-১১০০, বাংলাদেশ, ৪২৪পৃষ্ঠা।