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

Hand painted card with a rainbow-colored heart on the front. Signed lower right: "Love, Brian S." The card has been laminated.

White foamcore board with messages written in multiple marker colors. Board framed by strips of teal duct tape.

Printed note in black ink on white paper. The note reads: "Love and Prayers for the 11 Slaughtered Innocents. Love Over Hate." A line of interfaith symbols including the Star of David, cross, crescent moon, Om, Kanda, and Dharma wheel appears below. Tearing and creasing due to exposure to the elements at the Wilkins memorial.

Card from clergy members affiliated with San Dieguito United Methodist Church in Encinitas, California. The front of the card features a multi-colored pattern of tiles with the message: "We Care About You-: We're thinking of you because we so much- and we to show you somehow..." in the upper center. The inside features a stock inscription: "So we're hoping you feel all the love that we're sending to help and support you right now!" as well as additional handwritten note from various clergy members.

Preprinted card with handwritten message in black ink. Front of card reads, "You are being loved, prayed over, and held close in caring hearts."

Video of "An Act of Valor" event held at the Heinz History Center, featuring October 27 attack survivors Dan Leger and Tim Matson and Rauh Jewish Archives Director Eric Lidji.

Folded card with crayon illustration. Cover features brown abstract shape. Interior reads, "From Luke, I feel sorry for you. The bad guy is in jail. I still feel sorry. To synagogue people." Back features illustration of tree under a peace sign.

Floral tag from floral arrangement sent by Charles [last name redacted] and Abbi [last name redacted]. The tag reads: "Love, light, and perseverance. Charles [last name redacted] and Abbi [last name redacted]." The message is printed on a tag from a local florist.

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.

Folded card on light blue paper. Extensive creasing and blue and yellow staining. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Business card for Richard C. Yeomans, a pastor and chaplain who founded Emergency Ministry Services.

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 prayers for peace and unity. The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in blue marker. The message reads: "Recover well." 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 the words: "I am here in this moment" surrounded by arrows and other geometric symbols. 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: "We are stronger together!!" Signed: "Arielle."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Be Strong" and other floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."