Collage with a hand drawn tree in the center; owl peeks out from a crevice in the upper trunk. Leaves comprised of multicolored tissue paper; six ready-made decorative leaves in peach fabric. Lightly shaded blue background; handwritten messages in black ink on either side of the tree.

Collage with a hand drawn tree in the center; leaves comprised of multicolored tissue paper. Handwritten messages in black ink on either side of the tree.

Post-it note with handwritten message in blue ink. The message reads: "We love [heart] Tree of Life." Staining and color bleeding due to exposure to the elements at the Wilkins memorial.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "We send LOVE to you today and always. We are on in the eyes of the Lord. When one hurts, we all hurt. When there is joy for one, there is joy for all. Prayers and blessings to you."

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The inside reads: "Sorry for your loss. We will remember you. P.S. We will pray for you. Aden."

Handwritten card in pencil on paper. The front of the card reads: "L'chaim" (to life) in Hebrew. It is illustrated with a Menorah. Color bleeding due to exposure to the elements at the Wilkins memorial.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front and back cover contains the following quote attributed to the medieval Persian poet, Rumi: "Don't grieve, anything you lose comes around in another form." The words in the quote are overlaid with red, green, and blue shading. A large Star of David enclosed by three circles appears below. The upper flap inside reads: "Just because the light stopped shining, doesn't mean we're stuck in darkness. The moon comes out, but the sun still comes up every day.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "Everyone will stand with you through these tough times. -Flynn."

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "Dear Tree of Life member. You are all in our thoughts and prayers. Holy Angels\CCD. Jason [last name redacted]." Due to water exposure at the memorial site, the ink on this card has partially lifted.

Card from the Friendship Circle of Illinois. Front cover reads: "From: Menachem [last name redacted] To: Jewish Community of Pittsburgh." Inside reads: "To the Jewish community of Pittsburgh sheyichyu (may they live). Passed away: 11, Injured: 2 Yidden (Jews) + 2 policemen=4. Illustrated below there is a wagon holding the shooter, who says in a word bubble: "I just wanted to kill Jews." A man with a hat, perhaps a police officer, is seated on the right.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The inside reads: "Dear Tree of Life members, I am keeping you and all of the others affected by this tragedy. My deepest sympathy, Molly [last name redacted] Holy Angels CCD."

White windbreaker jacket with black zipper. Pittsburgh Marathon logo on upper right front. Asics logo on upper left front.

Card addressed to Richard Gottfried, written using personal details from various public sources.

Tri-fold pamphlet with typed text. Cover includes logos for Squirrel Hill Stands Against Gun Violence, Ceasefire PA, and Bed the Arc: Jewish Action Pittsburgh. Interior provides statistics about gun violence, information about legislative priorities, and calls for action. Back cover features photograph of Pittsburgh skyline.

Diamante poem by 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. The words of this poem washed away due to rainwater.

Handmade memorial card in pastel and ink on black paper. The card features a large Star of David, shaded in light and darker blue pastel, with an illuminated candle, in the center. Underneath the star, the card reads: "Never Forget." The names of the eleven October 27 attack victims appear in brown ink in the empty space around the star.

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.

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Sister JOYCE FIENBERG z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Oral history of Rosalind Chow, recorded as part of the Meanings of October 27th Oral History Project.

Handwritten note in red ink on white paper glued to black paper tag with gold string. The note reads: "Strong Than Hate. RIP."