Handwritten note written in purple marker on white paper reading: "Our prayers and sadness are with you on this tragic day." Signed by the Yu, Kaufmann, and Bernstein families. Color bleeding due to exposure to the elements at the Wilkins memorial.

Hand painted sign with an illustration of a landscape with a blue sky, sun, green grass, and floating hearts. The message, "You are the best," appears on the center right.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To our Brothers and Sisters at Tree of Life Synagogue, First off, my heart is saddened by the unspeakable tragedy that visited your community last week. My (one) heart breaks with you and we mourn beside you. Second, I feel anger that this could happen. Anger that anyone who have so much fear and brokenness in them that they could commit this kind of act. Finally, and most profoundly, I feel a sense of hope!

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope features an illustrated heart. The front cover reads: "LOVE." The inside reads: "Remembering all of you and sending prayers and healing thoughts from St. Peter's Parish in Londonderry NH. Love, Sandi [heart]."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To my Jewish brothers and sisters: I just want you to know that my prayers and love are with you. I cannot imagine your thoughts or emotions, but I am angry and saddened. No matter what I will always be with you. Joel D. San Diego 11/2/18."

Post-it note with handwritten message in black marker. The message reads: "We are here for you [Star of David]."

Post-it note with handwritten message in black marker. The message reads: "Love is strongest power exists." A Star of David appears below.

Floral tag from floral arrangement sent by Kathryn, Jim, and James. The tag reads: "With love from Kathryn, Jim, and James. May their memory be a blessing." Note is handwritten in black ink on white paper; staining and creasing due to exposure to the elements at the Wilkins memorial.

Engraved aluminum medallion attached to gray ribbon. Medallion features engraving of Pittsburgh skyline, bordered by design resembling bridges and the words "Stronger Than Hate." Accompanying card provides context for medallion against a yellow and white gradient with black text. Includes quotation from Dr. Martin Luther King, Jr.

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.

Note dated October 27, 2019 reading: "You can count on our prayers. Together we are stronger than hate. The Roman family." Illustration of a young child angel with wings bottom center.

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

Handmade card in colored marker on paper. The front of the card features the word: "LOVE" in bubble letters; the letter "o" has been replaced with a large Star of David. Several smaller hearts and a multi-colored asterisk appear throughout. Signed, upper left: "Rylee Love." The back is signed, twice: "Love Rylee" in orange and purple marker, respectively. The card has been laminated.

Post-it note with handwritten message in black marker. The message reads: "Jersey strong supports #pittsburghstrong. God bless you all!"

Post-it note with handwritten message in blue ink. The note is written in Hebrew. Translated into English, it reads: "Blessed is the true judge." Color bleeding due to exposure to the elements at the Wilkins memorial.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope contains the following handwritten message: "Peace and Comfort." The front cover reads: "LOVE." The inside reads: "Dear Family in God, There are not any adequate words to express the horror of what happened to you in your synagogue. May the love of God and those near and far begin to heal the hurt of your losses. Our heartfelt love and prayers are with you in fellowship. Peace and comfort to you.

Card made by a student from the George Washington University Hillel. Card reads: "Praise the Lord, all you nations, extol Him, all your peoples for great is His love toward us. And the faithfullness of the Lord endures forever. Praise the Lord." This message is an English rendering of Psalms 117:1-2.

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