The pair of side altars in the parish church in Gruszów was most probably created in the second quarter of the 17th century, inspired by Cracovian reredoses. They are characterised by a relatively simple baroque form, devoid of excess decoration.
Paulina Chełmecka, "Side altar", [in:] "The Sacred Lesser Poland Heritage", 2024, source: https://sdm.upjp2.edu.pl/en/works/side-altar-102