This may help, if this is Pietro's Index Card
1926 Index Card
from footnote.com
1922 Declaration
Publication Number: M1368
Publication Title:
Petitions and Records of Naturalizations of the U.S. District
and Circuit Courts of the District of Massachusetts, 1906-1929
Publisher: NARA
State: Massachusetts
Court: U.S. District Court
Year: 1922
Date: 18 Jul 1922
Immigrant Full Name: Peter Sannizzaro
Document Type: Declaration of Intention
Home Country: Italy
Witness 1 Full Name: [Blank]
Witness 2 Full Name: [Blank]
Year Immigrated: 1912
1926 Petition
Publication Number: M1368
Publication Title: Petitions and Records of Naturalizations of the U.S. District
and Circuit Courts of the District of Massachusetts, 1906-1929
Publisher: NARA
State: Massachusetts
Court: U.S. District Court
Year: 1926
Date: 26 Jul 1926
Immigrant Full Name: Pietro Sannizzaro
Document Type: Petition for Naturalization
Home Country: Italy
Witness 1 Full Name: Carmine Crisafulli
Witness 2 Full Name: Canio Barone
Year Immigrated: 1912
1926 Oath
Publication Number: M1368
Publication Title: Petitions and Records of Naturalizations of the U.S. District
and Circuit Courts of the District of Massachusetts, 1906-1929
Publisher: NARA
State: Massachusetts
Court: U.S. District Court
Year: 1926
Date: 16 Dec 1926
Immigrant Full Name: Pietro Sannizzaro
Document Type: Oath of Allegiance
Home Country: Italy
Witness 1 Full Name: [Blank]
Witness 2 Full Name: [Blank]
Year Immigrated: 1912