Post-it note with handwritten message in blue marker. The message reads: "May your memory be for a blessing. Sending love and healing from Jews in Berkeley, CA." Signed with a Star of David.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a bird with a leaf in its mouth and geometric and floral motifs. 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 Nov. 4, 2018 and reads: "Dear Friends, I'm at a loss for words to think about the horror you've experienced and the hate that has been directed towards you. Our hearts break with you and I am so sorry this has happened to you. We are with you and are and continue to be praying for you. We are praying for comfort, protection and healing. We love you! Greg and Stephanie [last name redacted] and family."

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 is dated 10/28/18 and reads: "know that God see you all and may the peace that surpasses all understanding fill your hearts. You all will be in my prayers! -Amen." The church's contact information is included on the back of the envelope.

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 letter is dated Oct. 28, 2018 and contains words of condolence and prayer. The church's contact information is included on the back of the envelope.

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 messages of love, prayer, and solidarity. The church's contact information is included on the back of the envelope.

Folded card with colored pencil illustration. Cover shows a whimsical landscape with a flower, smiling sun, and a fruit tree. Inside features a heart and purple circle surrounded by seven floating items, perhaps leaves or butterflies. Back shows a drooping plant with heart shaped leaves.

Typed floral tag from Chestnut Hills Dental. Tape placed over printed message; staple on the right. Creasing due to exposure to the elements at the Wilkins memorial.

Floral tag addressed to Richard Gottfried. The tag features a white rose on the left and the stock message: "With Deepest Sympathy" in a band on the upper center.

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 shell, legs, and neck. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Note card which reads: "GOD BLESS YOU [heart]."

Post-it note with handwritten message in blue marker. The message reads: "No hate. Just love." A heart appears below. Signed: "Columbus, OH."

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."

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 conveys the sender's horror regarding the October 27 attack and their prayers that God grant peace and comfort. The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in black marker. The message reads, in Hebrew and English: "Rest in Peace." Signed by Rabbi Fred Pomerantz.

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 student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a bird with a leaf in its mouth with floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."