Answer: hch

AnswerCrossword Clue
HCHFDR predecessor
HCHPres. before FDR
HCHPres. during the 1929 market crash
HCHFDR's predecessor
HCHPresidential monogram
HCHF.D.R.'s predecessor
HCHF.D.R. predecessor
HCHMethylene group, chemically
HCHWhite House monogram