Grandma Eichhorn'S Potato Salad(Recipe Dated About 1910)  
["a bowl of potatoes, cooked and mashed", "1 c. cream", "4 hard-boiled eggs", "3 Tbsp. vinegar", "1 Tbsp. onion, chopped fine"]
["Pour vinegar over eggs; add mustard.", "When thoroughly mixed, add to potatoes and salt.", "Beat all together and add onion."]
["potatoes", "cream", "eggs", "vinegar", "onion"]