Note addressed to all the victims of the October 27 attack. Written on a dark grey card.

Card with colored pencil illustration. When opened, the card features an illustration of a tree and grass. It inscribed with the following message: "We are sorry for your loss" and the word "love" surrounded by a heart.

Print with various birds resting on the branches of a flowering tree folded in half to create an improvised card. The inside contains a handwritten sympathy note written in blue ink from a member of the autism community in Monroeville, Pa.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a heart 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."

Oral history of Victoria Butch, recorded as part of the Meanings of October 27th Oral History Project.

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.

Card from three students [last names redacted] at Magen David Yeshivah High School in Brooklyn, Ny. Front cover features a red heart in the center with lines connecting to Stars of David on either side. The inside message has faded away due to water exposure at the Wilkins memorial. The back flap contains a message of sympathy and condolence. The card ends: "GET WELL SOON! [heart]."

Grey and black sticker with the words: "You are beautiful" on the front. The back contains a hashtag and web link to the "You Are Beautiful" company website.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "We love you. I pray for all of us every day."

Handwritten note in pencil on paper. The note, written in bubble letters, reads: "Stronger Than Hate." Illustrated with the adapted Steelers emblem with two diamonds and a Star of David. Creasing and fading due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in green marker. The message reads: "I miss Bubbie."

Card from the Friendship Circle of Illinois. The card reads: "Baruch [redacted]. To the Jewish community of Pittsburgh sheyichyu (may they live), I'm so sorry about what happened. I am going to bring and wash my hands in the morning in honor of all those people who passed away." A smiley face with a yarmulke (skullcap) with Hebrew letters appears below. The Hebrew acronym "B"H" (Bless God/Thank God) appears in the upper right. Spelling errors corrected for clarity.

Card made by a student from the George Washington University Hillel. Message in the upper left corner has been partially erased by water damage at the memorial site. The remaining portion reads: "And love to you community" followed by a heart symbol. The message in the bottom right reads: "Our hearts are with you- sending love your way" followed by heart symbol below.

Post-it note with handwritten message in blue and red marker. The message reads: "Hate can't drown out hate. Only love can do that [heart]. By, Brandon."

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The front cover reads: "Faith is the friend that comes along when things just seem to go all wrong." The inside reads: "You are not alone in this tragedy. We will pray for God's peace for your community. Love is stronger than hate. Colleen and Michael."

Laminated printed signs in blue and green ink on paper. The signs urge the reader to "Show solidarity" and "stand up for our common values, today tomorrow and always." An illustration of three stylized people raising their hands appears in the upper center, surrounded by the words: "Kindness, Respect, Courage."

Handmade, screen-printed card on yellow paper with green paint. A heart appears in the center. Signed, lower right: "Love, Khira D." The card has been laminated.

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 heart with floral and geometric motifs. The back contains a handwritten note, as well as the partial stock signature: "From your friends at West Allegheny Middle School."

Unsigned card with handwritten note reading, "So sorry for your loss. Please know that ALL of Pittsburgh is UNITED with you! Much love [two heart symbols]."