Rectangular card from a student at Fountain Valley School in Colorado Springs, Co. Front reads: "Dear members of Tree of Life, I'm from Japan and I am writing this letter because on extremely sad news about Jewish people came up yesterday. I'm feeling awfully sorry for Jewish people. I've been learning about 3 monotheistic re[li]gions from last month, so it also made me feel that I have connection with every single Jewish person.

Summary: Pittsburgh Tribune-Review report on claim by the Anti-Defamation League that the October 27 attack was 'likely the deadliest' antisemitic incident in American history. Includes a statement from ADL CEO Jonathan Greenblatt.

White posterboard with handwritten messages on either side. The front side reads: "154 mass shootings this year alone. How many lives are worth your assault rifle?" An asterisk connects to the following sidebar: "None committed by black men, illegal aliens, or women." 154 tally marks appear above. The back reads: "Life, Liberty, and the Pursuit of Happiness."

Hand painted sign with an illustration of a landscape a sun, large blue flower, green grass, and several hearts. The message, "I love you" has been painted next to the blue flower.

Laserprint with inscription on black background; photographic reproduction with illuminated tea lights in upper left corner. Blank back.

Letter written with red ink on lined notebook paper. The letter reads: "Stay strong. Gone but neve[r] forgotten. From Graccie [last name redacted]. We miss you." Illustrated with a small heart and Star of David.

Printed poster in blue, white, and black from the ACLU (American Civil Liberties Union). The poster reads: "We the People" and features an illustration of people in silhouette raising their hands upward. The reverse reads: "We the People ACLU" and contains a repeating word pattern featuring the various marginalized groups the ACLU serves.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Happy Thoughts" surrounded by flowers. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School" on a sticker.

Folded card with crayon illustration. Cover features brown abstract shape. Interior reads, "From Luke, I feel sorry for you. The bad guy is in jail. I still feel sorry. To synagogue people." Back features illustration of tree under a peace sign.

White envelope addressed to Tree of Life Congregation. Handwritten in black ink. Staining due to exposure to the elements at the Wilkins memorial.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To GOD's people in the Tree of Life Synagogue, Deep love and care from hurting hearts and encouragement in the difficulties every day. May the deep love of our GOD sustain you, strengthen you and give you peace. May GOD's deep shalom surround you, Chris and Martha (last name redacted), Point Loma Community Presbyterian Church San Diego, California."

Folded card with crayon illustrations. Cover features three human figures. One is standing and smiling. Second is prone and frowning. Third is floating with face obscured. Several balloon-like shapes float toward a colored band along upper margin. Interior reads, "We are here. Right by your side. Keep fighting and good things will come." Back reads "2018" above prone human figure.

Post-it note with handwritten message in black ink. The message reads: "Etz Chaim Hi. It is a tree of life for those who hold fast to it."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a pineapple with floral and geometric motifs. The back contains a handwritten note with a quote from the nineteenth century American poet Emily Dickinson, as well as the stock signature: "From your friends at West Allegheny Middle School."

Handwritten card in colored pencil on paper. A blue and green colored globe, surrounded by alternating male and female stick figures in purple, red, and yellow, appears in the center. The globe is inscribed: "We are thinking of YOU!!" The upper and lower edge of the card reads, in Hebrew: "Am Yisrael Chai"(the People of Israel live). Four Stars of David appear on either side of the globe. Signed: "Hannah S. 8th grade at Yeshivat Noam."

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.