Printed card in black ink on white paper. The card contains a large, empty rectangle outlined in black and reads: "I am thankful for people who help me. Nehemiah builds a wall. Nehemiah 1-6."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated 11/4/18 and reads: "To the families and friends of Tree of Life Synagogue: Please be comforted by the prayers for your losses- offered up by believers of many faiths. Only God can know why this tragedy occurred, but know that He will hold you in his loving arms to heal you with his abiding love and faithfulness. The prayer quilt is tired with countless prayers as well. Be comforted when you see it.

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains message of support, affirmation, and love. The church's contact information is included on the back of the envelope.

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.

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: "I am so sorry for what happened to the people whom you love and know." An illustrated crying, sad face appears below.

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: "We are strong [underlined] and we will not forget your memory."

Handwritten card in red marker, addressed broadly to tvarious groups impacted by the October 27 attack, including the congregation, the victims and their families, witnesses, police, and first responders. Signed by several families [last names redacted]. The front cover features a reproduction of an eighteenth century engraving of a white heron in the collection of Colonial Williamsburg in Williamsburg, Va.

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."

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

White posterboard with dozens of hands in red and pink paint. Initialed in multiple colors by creators. The words "Hope and Love," peace signs, and Stars of David are scattered throughout.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Happy Thoughts" surrounded by a pattern with floral motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Post-it note with handwritten message in black marker. The message reads: "Rest in Peace. Toronto."

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains the sender's prayer for peace, love, and unity. The church's contact information is included on the back of the envelope.

Handwritten note from the [last name redacted] family from Toronto. Written in black ink on the back of stationary with the logo of Marriott Hotels. Staining due to exposure to the elements at the Wilkins memorial.

"I voted" sticker with the "Stronger Than Hate" emblem on an orange background. The sticker includes the logo of the local printing company, Raff Printing, Inc. on the lower right. Dirt and other materials on the adhesive back due to exposure to the elements at the Wilkins memorial.

Handwritten note written in black marker on paper reading: "May the light you brought to this world continue to shine. -Fabers."