Here are the direct links (no Adobe Flash) to the major, twice-a-year Lionel catalogs, in PDF form, from 2009 - present:
2009
Signature
http://catalogs.lionel.com/200...offline/download.pdf
Volume 2
http://catalogs.lionel.com/200...offline/download.pdf
2010
Signature
http://catalogs.lionel.com/201...offline/download.pdf
Volume 2
http://catalogs.lionel.com/201...offline/download.pdf
2011
Signature
http://catalogs.lionel.com/11s...offline/download.pdf
Volume 2
http://catalogs.lionel.com/11v...offline/download.pdf
2012
Signature
http://catalogs.lionel.com/12s...offline/download.pdf
Volume 2
http://catalogs.lionel.com/12v...offline/download.pdf
2013
Signature
http://catalogs.lionel.com/13s...offline/download.pdf
Volume 2
http://catalogs.lionel.com/13f...offline/download.pdf
2014
Signature
http://catalogs.lionel.com/14s...offline/download.pdf
Volume 2
http://catalogs.lionel.com/14v...offline/download.pdf
2015
Signature
http://catalogs.lionel.com/15s...offline/download.pdf
Volume 2
http://catalogs.lionel.com/15c2/offline/download.pdf
2016
Signature
http://catalogs.lionel.com/16c1/offline/download.pdf
Volume 2
http://catalogs.lionel.com/16c2/offline/download.pdf
2017
Signature
http://catalogs.lionel.com/17c1/offline/download.pdf
Volume 2
http://catalogs.lionel.com/17c2/offline/download.pdf
2018
Big Book
http://catalogs.lionel.com/18bb/offline/download.pdf
Volume 2
http://catalogs.lionel.com/18c2/offline/download.pdf
2019
Big Book
http://catalogs.lionel.com/19bb/offline/download.pdf
Volume 2
http://catalogs.lionel.com/19c2/offline/download.pdf
2020
Big Book
http://catalogs.lionel.com/202...offline/download.pdf
Volume 2
http://catalogs.lionel.com/202...offline/download.pdf
2021
Big Book
http://catalogs.lionel.com/202...offline/download.pdf
M.H.M.