Gilbert is skilled with various styles of paintings such as hard-edge, still life, oil on canvas and acrylic on canvas. He has works-of-art presented in private and public collections, such as in the certified musemulm of Derfner Judaica Museum & Art Collection at Hebrew Home, Hamilton Senior Center, Jewish Nursing Home, offices of American Cancer Society, Hershey Medical Center and the High School of Arts & Technology at the Martin Luther King Jr. Campus. Works-of-art that are observed in private collections include paintings in the comfort of people's homes.