Folded card with marker and colored pencil illustrations. Front and back both feature Stars of David encircled by hearts. Inside shows a tree, labeled "a living tree" signed "from Milo".

Award medal attached to light blue ribbon and housed in blue velour jewelry box. Design of medal features City of Pittsburgh crest.

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.

Post-it note with handwritten message in blue marker. The message reads: "R.I.P. Dr. Rabinowitz."

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 on its back, legs, and neck. The back contains a handwritten note, as well as a sticker with the stock signature: "From your friends at West Allegheny Middle School."

Handwritten note written in black marker on white paper with the first names of the eleven victims of the October 27 attack. Creasing and staining due to exposure to the elements at the Wilkins memorial.

Preprinted card with handwritten message in black ink. Front of card reads, "You are being loved, prayed over, and held close in caring hearts."

Card with colored pencil illustration. Cover features an illustration of a leafy tree with pink asterisk-shaped stars, labeled: "The place where new life can grow." Inside reads: "Baruch dayan ha'emet" in English and Hebrew, and "I am sorry for your friends and families loss. I know what it feels like. So I am sending all the way from Texas this blessing." The back is signed: "Miriam." Spelling errors have been corrected in this transcription.

Post-it note with handwritten message in blue ink. The message reads: "Prayers for Pittsburg[h]. May this never happen again anywhere." Color bleeding due to exposure to the elements.

Folded card on light blue paper. Extensive creasing and blue and yellow staining. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Beloved of the Lord- We cry with you in your sorrow, loss, and anger, And we pray with you for healing, forgiveness, hope and peace- Because of the One God who gave life to us all. In the name of His Son, Yeshua, Your sister, Kate [last name redacted]."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Members, We at the Point Loma Community Presbyterian Church in California extend our most heartfelt feeling for you in the time of mourning. It is our wish that your healing take place as soon as possible. We are with you in your loving God. Jay [last name redacted]."

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

White posterboard with handwritten message in blue, yellow, black, and red marker reading, "Pittsburgh is stronger than hate." The Steelers' logo with a yellow Star of David appears on the upper left. Staining and warping due to exposure to the elements at the Wilkins memorial.

Envelope and floral tag addressed to Jerry Rabinowitz. The envelope is addressed "Jerry" and features an illustration of a bow and heart. The floral tag contains an illustration of an owl with mushrooms and other fauna growing from its head. The sender, Michele, knew Jerry from Coffee Tree Roasters. Michele recalls how Jerry's sweet smile and bright bow ties made a positive impact on her life. Michele illustrated a second bow tie in the upper right corner of the tag.

Large square card from a student at Fountain Valley School in Colorado Springs, Co. Card features several messages on paper heart cut-outs. Message on upper left heart: "Dear members of Tree of Life Synagogue, I'm from China. I heard about the tragic news that happened on October 27th. I'm sorry for your loss..." Message on upper right heart reads: "I'm Christian, and I'm with you. Wish you all the BEST... I stand with you.

Color laser print with the Stronger Than Hate symbol and inscription on black background. Staining on back due to exposure to the elements at the Wilkins memorial.

White poster board with a painting of a tree. Inscriptions with supportive messages and biblical quotes written on multicolored leaves; Star of David painted on trunk. Metallic leaves glued throughout. Addressed to Tree of Life synagogue from St. Patrick's Church in Oakdale, Pa.

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, a "Stronger Together" sticker, as well as the stock signature: "From your friends at West Allegheny Middle School."