Typed memorial note in honor of Richard Gottfried. The author recalls personal details about Gottfried's identity as a Jew and his commitment to the field of dentistry.

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

Post-it note with handwritten message in blue marker. The message reads: "God is love. Love beats hate any day." Signed by Cecelia [last name redacted]."

Card with illustration of the sun and its rays of light obscured by a large cloud on the front cover with the inscription: "Warm thoughts can make the sun a little brighter, the sky a little bluer, the world a little nicer." The note inside affirms the sender's love and prayers. Concludes: "Know the entire community is here for you."

Handwritten note signed by Noah of 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.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope contains a handwritten message: "With Peace and in Repentance and friendship of Spirit." The front cover reads: "Peace" and features a sandy landscape with a blue sky and orange flowers. The inside reads: "Dear Friends in the God of Abraham, My spirit and my prayers have been with you this past week. Prayers of love, courage, hope, and prayers of repentance for all little ways in which my own way of living accommodates any hatred, bigotry, or antisemitism.

Card with pre-printed message reading, "'Sorry is not a big enough word to express the concern we feel for you." Interior includes handwritten signatures and messages from various members of the staff."

Card with illustration of two dragonflies on the cover. Message affirms the power of love to triumph over hate. The information on the back indicates that this card was purchased in support of UNICEF, the United Nations International Children's Emergency Fund.

Post-it note with handwritten message in red marker. The message reads: "May God's Peace and Love grow in Pittsburgh and everywhere!"

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 ink. Written in Hebrew, the note contains an adaptation of the biblical verse in 1 Samuel 15:29. Translated into English, the message reads: "The Glory of Judah does not deceive or change His mind..." Color bleeding due to exposure to the elements at the Wilkins memorial.

Orange card addressed to the Tree of Life Community on the front cover. The inside contains a sincere message of sympathy from a Jewish resident of Erie, Pa.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear friends at Tree of Life, We have been so saddened by what has happened. Our hearts break for you. We want you to know we may be far away, but we hold you close in our prayers. You are our brothers and sisters. We are with you. Sincerely, Cara [last name redacted] Pt. Loma Presbyterian Church."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Beloved of the Lord- We cry with you in your sorrow, loss, and anger, And we pray with you for healing, forgiveness, hope and peace- Because of the One God who gave life to us all. In the name of His Son, Yeshua, Your sister, Kate [last name redacted]."

Card made by a student from the George Washington University Hillel. The front cover contains an illustrated heart. The inside reads: "We stand with you. You are in our thoughts and prayers. With love, Leah and Molly from GW."

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.

Handmade card on white paper. Eleven trees, illustrated in blue ink, appear in the center. The number 11 appears below, followed by a heart. The card reads: "For the 11 people that died. Love, Coleman [last redacted]."

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 and support. The church's contact information is included on the back of the envelope.

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.