JRRT: lotr.wikia.com/wiki/Alan_Lee...

https://www.tolkien.co.uk/product-category/the-lord-of-the-rings

http://www.openculture.com/2013/07/j-r-r-tolkien-reads-from-the-two-towers-the-second-book-of-the-lord-of-the-rings-trilogy.html

http://www.openculture.com/2013/02/discover_jrr_tolkiens_personal_book_cover_designs_for_ithe_lord_of_the_ringsi_trilogy.html

https://cdn8.openculture.com/wp-content/uploads/2013/02/The-Two-Towers-Book-Cover-by-JRR-Tolkien_1-480.jpg , http://www.openculture.com/?attachment_id=56361

https://images.penguinrandomhouse.com/cover/9780345339713 , https://www.penguinrandomhouse.com/books/179231/the-two-towers-by-jrr-tolkien/9780345339713

http://lotr.wikia.com/wiki/Alan_Lee

http://lotr.wikia.com/wiki/The_Two_Towers_(novel)

https://i.pinimg.com/474x/61/f2/b6/61f2b6cd4b7ed4173e14485be8d113ef--lord-rings-lord-of-the-rings.jpg

http://lotr.wikia.com/wiki/Movie_vs._Book:Two_Towers

http://lotr.wikia.com/wiki/J.R.R._Tolkien 

https://vignette.wikia.nocookie.net/lotr/images/6/62/Jrrt_lotr_cover_design.jpg/revision/latest/scale-to-width-down/350?cb=20060310233629

https://78.media.tumblr.com/785d53825e9f4a91e5e67e6884bc1755/tumblr_mupi1oncSW1ri867ho2_500.jpg ,

http://rebloggy.com/post/illustration-art-lord-of-the-rings-lotr-the-two-towers-the-return-of-the-king-to/64106256333

https://theliteraryomnivore.files.wordpress.com/2011/03/lotr1965a.jpg , https://theliteraryomnivore.wordpress.com/2011/03/20/the-sunday-salon-out-of-print-and-current-us-editions-of-the-lord-of-the-rings

http://www.tolkienlibrary.com/tolkiencovers/0007203632.02.LZZZZZZZ.jpg ,
http://www.tolkienlibrary.com/reviews/50yearslordoftherings.htm  BDI & NAP

Cover design for the three volumes of The Lord of the Rings by Tolkien