I grabbed my MIL's "Jennie Grossinger's The Art of Jewish Cooking" from 1958. Appetizers and Party Snacks, pages 1 - 15.
Chopped Chicken Livers, Chopped Liver, Vegetarian Chopped Liver, Dairy Liver (no meat, made with mushrooms)
Eggplant Spread
Calf's Brains Appetizer
Chopped Eggs and Onions
Chickpea "Hot Dogs" -- deep fried morsels/croquettes
Petcha -- calf's feet
Chopped Herring, Jennie's Herring Salad, Pickled Herring, Fried Herring, Herring Forshmak, Baked Herring, Baked Herring and Potatoes
Fish Sticks
Fish Balls
Egg Roll
Chinese Sweet-and-Sour Meat Balls
Pizza --no meat, but the recipe has anchovies...
Submarine Sandwich
Grilled American Cheese and Tomato Sandwich
Farther on in the book, they mention duck --- a smoked duck appetizer with crispy skin?
Knishes ---- oh, smoked cheese knishes would be tasty. They describe the dough rolled up with the filling like a jelly roll. Smoked spirals of love...
and all I can add is Latkes. I love latkes.
I'll be dreaming of these in just a few minutes.