Handwritten note written in black marker on a notepad page with a blue floral banner and medallion in the upper center. The note reads: "For our neighbors...and Jerry. Cliff and Robin." Piece of tape affixed upper center.

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.

Printed text of the Hebrew poem "Shalom Aleichem," which is traditionally recited on Friday evenings to welcome the Sabbath angels. Translated into English here. Some of the text in the first line of the final stanza has been cut off. Staining and creasing due to exposure to the elements at the Wilkins memorial.

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.

Folded card with marker and colored pencil illustration. Cover features Star of David inside heart. Interior features illustrations of heart inside rings, two hands reaching out, and tree with name "Deliliah Lieber."

Printed paper square with the "Stronger Than Hate" emblem. Lamination has started to separate from the paper, as well as color loss, 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 the Tree of Life Community, We are praying for you in San Diego and sending you blessings through this difficult time. God is with you and holding your members who passed in His loving hand. May His light fill your hearts during these dark times and remind you of His love even through the things we cannot explain. Bless you, Gresham." An illustration of a tree filled with hearts appears below.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Members and Friends of the Tree of Life Synagogue, I am sorry for your loss in the recent shooting. Our prayers are with those affected by the attack and we hope that everyone injured is able to recover. Sincerely, Ben from the Point Loma Community Presbyterian Church in San Diego."

Typed memorial note in honor of Richard Gottfried. The author recalls personal details about Gottfried's identity as a Jew and his commitment to the field of dentistry.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the word: "Hope" surrounded by floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School." A sticker with the words: "Stronger Together" appears in the upper center.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration a pineapple with floral and geometric motifs. The back contains a handwritten note and a "Stronger Together" sticker, as well as the stock signature: "From your friends at West Allegheny Middle School."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a leaf with geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Folded card with marker illustrations, decorated with stickers. Front features illustration of animal with word bubble "Hi" surrounded by a feature, two balloons, and a kite. Interior features illustration of snowflake and cartoon faces inspired by five emoji stickers and the sender's name "Sadie [last name redacted for privacy]."

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

Folded card with the "Stronger Than Hate" graphic printed in black and white on the front cover. The names of the eleven victims of the October 27 attack are written inside, followed by the following promise: "Rest in peace [heart]. I promise to fight for a world where love prevails hate." An additional message appears on the back: "May we fight to ensure this NEVER happens again. Ahava (love)." It concludes with the names of the eleven victims.

Card on light pink paper with handwritten note and illustrations. The card reads: "I love you. I pray for you. Lyla [last name redacted]." Hand drawn illustrations of a blue flower, red heart, and red tulip appear below.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "I am here in this moment" surrounded by arrows and other geometric symbols. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Floral tag enclosed in orange envelope from floral arrangement sent by Alfred University. The note is written in black ink on a printed tag with orange lillies on the left edge. The reverse is stamped with the contact information of Squirrel Hill Flower Shop.