Green envelope with note handwritten in blue ink with the message: "Let steadfast love become your comfort..." Staining due to exposure to the elements at the Wilkins memorial.

Color photograph showing 13 people standing on either side of two Torah scrolls. Many of the men are wearing prayer shawls.

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 words of prayer and encouragement. The church's contact information is included on the back of the envelope.

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.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "May God comfort you today and in the days ahead. I will keep you all in thought and prayer. [?] from Pt Loma P.C."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated 11/4/18 and reads: "Dear Tree of Life Synagogue, Please accept our heartfelt condolences in the loss of your beloved congregation members, from our congregation at Point Loma Community Presbyterian Church in San Diego, CA. In LA, I grew up living next to a Rabbi (Marvin Bornstein) and his dear family. He was familiar with loss as well, having left medical school in Vienna at the onset of WW II. I learned from his example of love, tolerance and peace.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Members of the Tree of Life Synagogue, Although I am a Presbyterian, I have Jewish ancestors. I was so saddened by the tragedy your congregation has [?]. May you have the blessings of the Lord, and may the ones you have lost rest in peace. William H. [last name redacted] San Diego, CA."

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover features the following quote: "Let your smile change the world but don't let the world change your smile." The inside reads: "Dear Tree of Life Congregation, I am very sorry for the bad news. I am a social studies student in Goddard Middle School. I know the feeling of losing someone, and it must be a very hard time for you guys. just so you know we'll be there for you guys and you'll always be in our thoughts. Sincerely, Evangeline."

Post-it note with handwritten message in green ink. The message reads: "We cannot change the past, but we can inspire the future. Let what's happened here be a warning to us all that there is no room for hate anymore."

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 from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Dear friend, I am so joyful that you exist! As the well-loved child of God, you have an infinite worth and deserve so much love. My prayer is that you begin or continue to understand this throughout your life. May your life continue to be blessed. I love you! Love, Your friend from the Church at Severn Run."

Post-it note with handwritten message in green marker. The message reads: "Pittsburgh, I will always love you. My heart goes out to you and is here too. Pittsburgh Strong."

Post-it note with handwritten message in blue ink. The message reads: "We love you. We are here for you." Color bleeding due to exposure to the elements at the Wilkins memorial.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is signed Aden, a kindergarten student. It is nearly illegible due to the young age of the sender.

Floral tag enclosed in white envelope from floral arrangement. The envelope is hand illustrated in blue ink with a tree in the center and has a hole punch in the upper left corner. The tag is addressed to Squirrel Hill and reads: "To the neighborhood that gave me my friends, my craft, my fiancee, my passion, and my livelihood, shine on, love on, heal on, grow and hug, and thrive and be gentle with one another. Heal. Heal. Heal. Love."

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. Due to water exposure at the memorial site, the message in this card has been partially erased. The remaining text reads: "[?] of Life members... praying for you. Sorry for you[r] loss. [G]od bless you! Love and prayers, Holy Angels CCD." Spelling errors corrected for clarity.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover features the following quote: "No act of kindness no matter how small is ever wasted." An illustration of a rainbow appears below. The inside reads: "Dear Tree of Life Congregation, I am sorry for your loss. I am writing to you from Colorado. I would like you to know people far away care for you. I may not believe in Judaism but I believe your heart is in the right place. Sincerely, Uyen [last name redacted], Littleton, Colorado."

Post-it note with handwritten message in blue marker. The message reads: "I pray to you and remember you always. May your soul rest in peace." Tape affixed on the upper center.