Found this reference to Dubrow's in the historical novel Subway Music by Reynold Joseph Paul Junker.
"Now I paused and looked left and right again.
'We used to go but I wanted to step around here to the left a minute. I wanted to see something else first. I wanted to see if Dubrow's is still here.'
I turned left. She followed. We walked the short distance to where Dubrow's used to be on the corner of King's Highway.
Dubrow's was gone from the corner of King's Highway. Dubrow's had been a single story cafeteria with floor to ceiling windows looking out over the sidewalk. Dubrow's was like an indoor sidewalk cafe. Families when to Dubrow's to enjoy "home cooking." We went to Dubrow's to stare and make creative faces and simulated retching noises through the windows at families enjoying their "home cooking."
'There used to be a Dubrow's Cafeteria here,' I said.'The firemen from the firehouse on 14th street used to send us there for takeout food - mostly veal cutlet sandwiches. There was no fast food in those days.'"