Post-it note with handwritten message in blue marker. The message reads: "You [underlined] are the beacon of light and hope. Only love can defeat hate. My prayers and love are with you."

Diamante poem by Jesse [last name redacted], which was sent with the materials from Emergency Ministry Services, a faith-based training and disaster response NGO in San Juan Capistrano, Ca., affiliated with the Orange County Church on the Rock. A diamante poem is a seven-line unrhymed poem which is shaped like a diamond.

Page of typed text. Includes list of speakers, acknowledgement, and a quote from Coretta Scott King.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Keep Going" surrounded by arrows, stars, and leaves. A handwritten note appears below. The back contains an additional handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Cover of bencher (grace after meals booklet) from the bar mitzvah of Nate Itskowitz. Features illustration of a black and yellow sports jersey with the name Itskowitz, a Steelers logo modified to read "Nate" and the date "10-27-18," and Hebrew text listing the event and date.

Floral tag from floral arrangement addressed to the Congregation and Staff at Tree of Life Synagogue. The message is printed on flower tag from a local florist. Creasing 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 a pineapple with floral and geometric motifs, surrounded by hand drawn hearts. The back contains a handwritten note, "Stronger Together" sticker, as well as the stock signature: "From your friends at West Allegheny Middle School."

Page of blue typed text over a photograph of Tree of Life synagogue illuminated at night. Photograph shows barrier tape behind large white Stars of David with names of victims on them. Title reads: "Decolonizing Judaism in an Era of White Supremacy: Tree of Life, Travel Bans, and New Concentration Camps."

Handwritten, folded card written in blue marker on scratch paper. The note, written in bubble letters, reads: "LOVE WINS." Staining and creasing due to exposure to the elements at the Wilkins memorial.

Oral history with Josiah Gilliam recorded as part of the Meanings of October 27th oral history project.

Handwritten note written in black ink on blue paper. The note, which contains dozens of small, illustrated hearts around a large heart in the upper center, reads: "Lots of Love."

Clear glass cylindrical vase with a bouquet of orange, white, and purple synthetic flowers. Bouquet is bound with green plastic ring and string of silver plastic gemstones.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Brothers and Sisters, We have been so deeply moved by the horrible tragedy your community is working through. Please know you are loved. You are cared for. You are being prayed over daily. Love, [?] family.

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.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The inside reads: "Please know that you are in our thoughts and prayers. St. Peter's Episcopal Church Londonderry, NH."

Cover of sddle stitched. Embossed gold text on white cover. Text reads "30th Anniversary Congregation Dor Hadash June 20, 1993."

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 and a sticker with blue text reading: "Stronger Together." The stock signature: "From your friends at West Allegheny Middle School" appears in the lower center.

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."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated November 2018 and reads: "God's peace be with you. Love, Peggy [last name redacted]."