- [S00100] US City Directories, 1939, Polk's Stockton California City Directory, page 173.
"Knutzen Peter (Kitty) h1327 S San Joaquin" 
"Knutzen Peter (Kitty) clk h 1327 S San Joaquin" 
"Knutzen Peter (Kitty) clk h 1327 S San Joaquin" [1941, but image not seen yet]
- [S00012] 1930 US Census, Stockton, San Joaquin, California; Roll: 211; Page: 37A; Enumeration District: 38; Image: 479.0; FHL microfilm: 2339946. 4/11/1930.
Dwelling 473 Family 444: "521 First St"
"Knutzen, Peter J; Head, home Owned, Male, age 49, Married 23 years, born Germany, father born Germany, mother born Germany, immigration 1896, Naturalized, occupation ?????, veteran No"
"Knutzen, Harriet; Wife, Female, age 44, born California, father born Germany, mother born Germany"
"Franz, Mary; Mother-in-law, Female, age 83, Wd, Married 21 years, born Germany, father born Germany, mother born Germany, immigration 1866, Naturalized"
- [S00115] 1940 US Census, Stockton, San Joaquin, California; Roll: T627_324; Page: 1B; Enumeration District: 39-36. 4/3/1940.
Visit 16: "1327 S San Joaquin St."
"Knutzen, Peter G; home Owned, Head, Male, age 59, Married, higest grade 8, born Germany, residence 4/1/1935 Same Place, occupation Saleman - Store Canvaser Wholesale Stationary Wages"
"Knutzen, Kitty; Wife, Female, age 68, Married, higest grade 8, born California, residence 4/1/1935 Same Place"
- [S00101] Find-A-Grave.
"Kitty Gimbel Knutzen
Birth: Dec. 18, 1870, California; Death: Jun. 23, 1941, San Joaquin County, California
Daughter of Henry & Katherine (Warehouse) Gimbel. Kitty (Gimbel) Kaiser married Peter Knutzen on Dec 10, 1938 in Stockton, CA
Burial: Lodi Memorial Cemetery, Lodi, San Joaquin County, California, Plot: PIONEER I BK20 LT6
Created by: GramlynB, Record added: Jun 02, 2014,Find A Grave Memorial# 130779714"
"Valentine Joseph Kaiser married Kitty Gimbel Nov. 13, 1890 near Lodi, San Joaquin Co., Ca. California, County Marriages, 1850-1952
Daughter of Henry & Katherine (Wierhauser) Gimbel. Kitty (Gimbel) Kaiser married Peter Knutzen on Dec 10, 1938 in Stockton, CA. California, County Marriages, 1850-1952"
- [S00145] US Social Security Applications and Claims Index 1936-2007.
"Peter George Knutzen
Gender: Male Birth Date: 19 Aug 1879 Birth Place: Federal Republic of Germany
Father Name: Jens Knutzen Mother Name: Christina Enwoldsen
Notes: May 1937: Name listed as PETER GEORGE KNUTZEN"
- [S00049] US World War II Draft Registration Cards, 1942.
"Registration Card, serial U 3026,
Peter George Knutzen, age 61, born Aug 19, 1880, Hamburg, Germany,
residence 201 West Poplar St, Stockton, Calif,
contact Luella Knutzen, 201 W Poplar St, Stockton, Cal,
employer Self, Grocery Store, 201 W poplar St, Stockton,
height 5'10", weight 182, eyes Blue, hair Gray, complexion Light, marks None,
local board 38 Stockton Cal, April 27, 1942"
- [S00048] US World War I Draft Registration Cards 1917-1918.
"Registration Card, serial 7838, order A-310,
Peter George Knutzen, born Aug 19, 1880, Germany, age 38, Naturalized,
residence 8456 Oak St,
occupation Grocer, Self - Grocery Store, 601 E Geb? Ave, Stockten, SJ, Cal,
relative Mrs Harrett Knutzen, 8456 Oak,
4-3-22.C, height Medium, build Medium, eyes Grey, hair D brown, marks No,
September 12, 1918, Local Board for the City of Stockton"
- [S00127] Ancestry, US Passport Applications 1795-1925 Original data: Selected Passports. National Archives, Washington, D.C.
"State of California, County of San Joaquin, no 47196,
I, Peter George Knutzen, apply for a passport for myself.
I was born in Island of Sylt, Germany, the 19th day of August 1880; I emmigrate to the US, sailing on board the Normandie from Hanburg, 25 day of July 1896; I resided 5 years uninterruptedly in the US from 1896 to 1901 at Stockton, California. I was naturalized before the Superior Court of San Joaquin Co, Cal at Stockton on the 23rd day of August, 1901. I follow the occupation of Grocers Clerk. I intend to return to the US in 6 months of 1 year.
Further, I do solemly swear that I will support and defend the Constituion of the United States agains all enemies, foreig and domestic; that I will bear true fair and allegiance to the same; and that I take this obligation freely, without any mental reservation of purpose of evasion, SO HELP ME GOD, 24th day of August 1901.
Description of Applicant: age 21 years and 5 days, stature 5' 8 1/4", forhead Full, eyes Peculia Light Gray - Blue, nose Average, mouth Average, chin receding, hair Brow, complexion Blond, face Full.
send passport Peter George Knutzen, care of Naegelis' Hotel, Hoboken, NJ"
- [S00016] California Death Index 1940-1997.
Gender: Male Birth Date: 19 Aug 1879 Birth Place: Other Country Death Date: 9 Jan 1943 Death Place: San Joaquin"
- [S00172] Notes.
Two children by first wife Harriet Bahenfus married before 1918, George J Knuzten and Gertrude Knutzen. Not related - not follwed here.
Third wife Luella after Katherine died in 1941.
- [S00016] California Death Index 1940-1997.
"Kitty Kaiser Knutzen [Kitty Kaiser Gimbel]
Sex: Female Birth Date: 18 Dec 1870 Birthplace: California Death Date: 23 Jun 1941 Death Place: San Joaquin
Mother's Maiden Name: Wierhauser Father's Surname: Gimbel"