Hubert Phillips, English crossword puzzle and logic puzzle constructor, created at least two palindromic poems. The first one was featured in Bergerson's Palindromes and Anagrams (page 94); it originally appeared in the Dogberry column in the London News Chronicle for Oct 16 1942. The second poem is found in the same column for May 1 1941.
"Two Early Palindromic Peoms by "Caliban","
Word Ways: Vol. 38
, Article 18.
Available at: https://digitalcommons.butler.edu/wordways/vol38/iss3/18