Post-it note with handwritten message in blue ink. The message reads: "You are in our thoughts and prayers. Love always triumphs over hate." Color bleeding due to exposure to the elements at the Wilkins memorial.

Card on light pink paper with handwritten note and illustrations. The card reads: "I love you. I pray for you. Lyla [last name redacted]." Hand drawn illustrations of a blue flower, red heart, and red tulip appear below.

Paper with photocopied excerpts from two passages titled "November 1." The first passage is the Prayer of Joy. The second passage is a quote from Max [redacted], a minister in San Antonio, Tx. The back contains a handwritten message from Denise, a resident of the North Side section of Pittsburgh.

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 peace, love, and unity. 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 reads: "Sending Prayers and Love to you. I pray the peace of God will fill your hearts."

Post-it note with handwritten message in red marker. The message reads: "Stronger than hate. Never forget the day."

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.

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: "Faith is the friend that comes along when things just seem to go all wrong." The inside reads: "To the Tree of Life, My thoughts and prayers are with yours. Nancy [last name 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 sympathy and prayer. The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in red marker. The note, which is encased in a large heart, reads: "Remember Always [Star of David]."

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: "Peace" and features a sandy landscape with a blue sky and orange flowers. The inside reads: "We are sending you so much love- and will stand with you in peace forever- with you in peace. Steve and Bailey."

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 Members of the Tree of Life Synagogue, An attack on your community of faith is an attack on all of us. We stand with you from afar, and renounce the hatred that brought that madman to your door. Our pastor, Karla Shaw, will deliver this letter (and many others) as a sign of our solidarity with your community. This is a tangible sign of our prayers for your community- for peace, for protection, for security, for understanding.

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

Handwritten card from a student at Goddard Middle School in Littleton, Co. Front cover contains the following quote: "Never regret a day in your life. Good days give you happiness and bad days give you experience." Shows three small Stars of David on the far left and a cartoonish illustration of a stick figure pushing a pull with a Star of David on top of a heart up a hill on the center right. Inside reads: "Dear Tree of Life Congregation, My name is Yahir [last named redacted] and we heard what happened and we want you to [k]now that we pray for you.

Folded card on red paper. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Post-it note with handwritten message in blue marker. The message reads: "Love with [will] always win in a war against hate. -Simon [last name redacted]."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Brothers and Sisters LOVE conquers all!!!"

Card addressed to David Rosenthal. Cover features a reproduction of a painting by Frank Crosby, a resident of the Emmaus Community of Pittsburgh. The inside contains messages of love and support written by other members of the Emmaus Community.

Post-it note with handwritten message in blue marker. The message reads: "R.I.P. we will fight for you. [Heart]."

Note addressed to Dr. Jerry Rabinowitz reading: "I will miss your Hello and smile all my days at Shadyside Hospital. Kelly [sad face]." Written on notecard which was cut in half.