If you go to a real lumber yard - the type of places the pros go - they will look at any blueprint print and prepare you the kit. Prices are better than Home Depot after you account for free delivery and they pick up your returns.

The kit won't include plumbing, HVAC, electric... so it isn't 100% what Sears did in the 1910s, but it is actually pretty close.

what's a lumber yard?

Its a place that sells lumber. Usually a small business

Sears doesn't, but others do.