Wiktionary
in the same vein
a. similar, like, alike; related. adv. similarly, likewise; relatedly.
Usage examples of "in the same vein".
What few letters were here were all in the same vein: questions about classifications and identifications, tiffs with other scientists over various arcane subjects.
There was quite a lot more of it, all in the same vein, concluding with an exhorÂ.