AAR Closed Car Loading Guide part 1
https://www.aar.com/standards/DPLS-content/Closed%20Car%20Loading%20Standards/CCLG%20Part%201%20-%20Freight%202-2014.pdf
Part 3
https://www.aar.com/standards/DPLS-content/Closed%20Car%20Loading%20Standards/CCLG%20Part%203%20-%20Plywood%203-2014.pdf
Part 4
http://www.aar.com/standards/DPLS-content/Closed%20Car%20Loading%20Standards/CCLG%20Part%204%20-%20Lumber%203-2014.pdf
Part 5
http://www.aar.com/standards/DPLS-content/Closed%20Car%20Loading%20Standards/CCLG%20Part%205%20-%20Building%20Brick%205-2014.pdf
Part 6
http://www.aar.com/standards/DPLS-content/Closed%20Car%20Loading%20Standards/CCLG%20Part%206%20-%20Prepared%20Food%202-2014.pdf
Part 7
http://www.aar.com/standards/DPLS-content/Closed%20Car%20Loading%20Standards/CCLG%20Part%207%20-%20Bulk%20Containers%207-2014.pdf
Part 9
http://www.aar.com/standards/DPLS-content/Closed%20Car%20Lo