Printed tag with a photograph of David Rosenthal. The tag reads: "In Memory of David Rosenthal." Creasing and staining due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in blue ink. The message reads: "Stronger than hate." Illustrated with a peace symbol. Color bleeding and staining due to exposure to the elements at the Wilkins memorial.

Handmade card illustrated with assorted hearts of varying sizes. A large red heart appears in the middle, surrounded by smaller hearts in varying colors. Color bleeding and fading 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 front cover of this card features a heart with the words "God is love." The inside reads: "May you find God's comfort in knowing we are with you in spirit- May the spirit of God stir in the souls of all on our earth to stop the violence against God's people. We want peace on earth and it starts with us knowing our God of peace and love. God bless you and your whole community of believers. Pt Loma Community Pres. Church Loves you all."

Oral history with Gemma Del Duca recorded as part of the Meanings of October 27th oral history project.

Handmade card in watercolor, marker, and ink on paper. The card features a quote from 1 Corinthians 12:12 on the front. It is signed on the back: "With love, Katie and Meagan and Mark."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To Members of Tree of Life and your community, We stand with you! I am praying for spiritual and physical healing for those who were injured or affected by the awful act of hatred directed at you. We serve an all-powerful God of mercy and love and I pray that you are comforted knowing that there are many who are lifting prayers on your behalf. May you as a community of faith be encouraged and healed. Pam [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: "I am here in this moment" as well as arrows and other geometric motifs; a handwritten inscription appears above. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Unsigned card with handwritten note reading, "So sorry for your loss. Please know that ALL of Pittsburgh is UNITED with you! Much love [two heart symbols]."

Post-it note with handwritten message in black and red marker. The message reads: "God bless all people of Pittsburgh. Our hearts are with you. [Heart]."

Post-it note with handwritten message in black marker. The message reads: "There is always hope in the face of despair [despair] and kindness will guide us through." Tape affixed to the upper edge.

Wreath made of branches with leaves, wire, and small stones. Stones attached with black zip ties.

Handwritten letters from Rev. Carol [last name redacted] of Lakewood, Ny. and Leslie [last name redacted] of York, Pa. written in blank ink and pencil respectively on lined notebook paper. Staining due to exposure to the elements at the Wilkins memorial.

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

Handmade card with black and white stripes with a printed graphic with a blue Star of David overlaid with eleven candles and the message "Our hearts cry for Shalom" in the upper center. The Stronger Than Hate hashtag appears below. A whole was punched in the upper center.

Handwritten letter written in green ink on white coloring paper, folded in half, from Lizzie, age twenty. Addressed to Lizzie's community in Pittsburgh. Lizzie explains her impulse to write this letter: "I'm not sure how to put this in words, but I do know that I have the urge to send something." Lizzie identifies herself as Jewish in her card. Tearing in upper center may be due to exposure to the elements sustained at the Wilkins memorial.

Handwritten condolence note written in black marker on yellow paper addressed to the congregants of the Tree of Life synagogue.

Folded card with colored-pencil illustrations. Front features illustration of tree shedding leaves. Interior features sun shining over water and the name "Sarah."

Handwritten note in black ink on lined notepad paper. The note reads: "Pop Up Conversation and [F]ree Listening." Extensive tearing and staining throughout due to exposure to the elements at the Wilkins memorial.