Henry Winchester, specific search

[snarkdwench]

I'm looking for a specific fic that centers on Henry Winchester. It was an AU where he went back to the past instead of going with Dean to save Sam, and I thought it was hosted on AO3, but I haven't found it. John raised his sons as Men of Letters, but Dean wasn't so much the stay-at-home scholarly type, so went out on his own. I remember very

Comments

[joya_oscura]

The only thing that comes close to what you are looking for is the following:

Legacy 'verse series by Sonora
Instead of choking Henry out in the magic shop, Dean lets his grandfather return to his own time, to kill Abaddon and be a father to John. But when his presence sets off a cascade of changes to his grandsons' lives, Henry learns that it's not so easy to cheat destiny.
Link: http://archiveofourown.org/series/41240

A Time that Once Was by youcantsaveeveryone
from 8x12 As Time Goes By. Instead of being killed by Abaddon, Henry returns to the past. Things turn out very differently for the Winchesters and their legacy. (incomplete)
Link: http://archiveofourown.org/works/911893

[dani_77]

I haven't read this yet, but could it be this:

https://www.fanfiction.net/s/9468934/1/Take-Me-Home

It does appear to be only chapter 1, so I'm not sure if it matches your request.