Post-it note with handwritten message in blue ink. The message reads: "We love you. You are all so strong." Signed with a heart. Color bleeding due to exposure to the elements at the Wilkins memorial.

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

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 green marker. The message reads: "Doubt is not the opposite of faith, fear is [underlined] let us not fear."

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.

Typed bilingual Hebrew and English letter from a student at Hebrew Academy, a private Jewish day school in Montreal, Quebec. In English, the letter reads: "Dear Rabbi, I am very sorry for what happened in your shul. I hope everyone that got injured will heal quickly. I hope that it will never happen again. Sincerely, Max [last name redacted] From Hebrew Academy."

Card made by a student from the George Washington University Hillel. The front cover contains a bilingual Hebrew and English message: "Haverim (friends) in Pittsburgh" with a Star of David below. The inside (from right to left) reads: "Sending love, solidarity, and hope. Our community is the strongest in the world! -Sam, GWU student, Colorado Springs, CO, Temple Beth Torah."

Card made by a student from the George Washington University Hillel. Card reads: "We love you and are thinking of you. May we all see better days ahead. Love, GW Hillel."

Handwritten letter expressing sympathy and messages of goodwill from various lay members of the San Dieguito United Methodist Church in Encinitas, California. Last names redacted for privacy.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Members of the Tree of Life Synagogue- My thoughts and prayers are with you as you grieve the loss of 11 of your friends, family, and members. The members of my church, Point Loma Community Presbyterian Church in San Diego, California have been praying for your congregation. We hope and pray that over time your hearts will heal and peace will enter to fill the void left by the 11. El."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "May GOD grant you ALL the grace and mercy our human family can minister and let your faith be a reflection of GOD's LOVE for all of us."

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."

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.

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.

Floral tag from floral arrangement. The tag features a quote from Psalm 121:4, which reads: "Indeed, he who watches over Israel will neither slumber no sleep." The message is handwritten in black ink on a printed tag with white and purple flecked flowers.

Handmade sign on cardboard written with black marker reading: "Hate has no home here."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Don't Stop Believing." The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."