Stroke Order for Spinal Column Kanji?

(2016-04-11, 7:03 am)GuyInALabCoat Wrote: So if anyone can offer any advice to clear up this conflicting information, I would greatly appreciate it.

Heisig has published corrections for RTK on the Nanzan Institute website.

See the bottom of the RTK 1 page. This specific problem was addressed in "Errata in the 6th edition, 1st & 2nd printings."