Message written on a green note card which affirms the importance of words and combatting hate. The note ends with the following words: "Squirrel Hill is in the hearts and minds of everyone in PGH [Pittsburgh] and in the world."

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]."

Handwritten sympathy note written in blue ink on paper from Nelson [last name redacted], a resident of Belo Horizonte, Brazil. Nelson extends his sympathy to Pittsburgh and its Jewish community in particular.

Handwritten note written in yellow marker on a printed paper with a framed picture with leaves around the edges. The note is written inside the leaf frame and reads: "Eleven beautiful leaves for eleven beautiful sweet souls ripped away... Six strong trees for the six injured but here to stay. Hated can't weaken a city of steel."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To our esteemed sisters and brothers I offer sorrow in your losses, comfort to enter into your memories and many blessings for your bright future as a synagogue to overcome. With all my love- Russell [last name redacted]."

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The sender added the following inscription below, writing: "Tree of Life Members, Holy Angels CCD." The inside reads: "There is always hope" and features a large cross.

Card with illustrated sunflower. Inscribed in ink with the following message: "Hate cannot break our Steel City." Signed: "equal [=] love [heart] Star of David."

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

Printed note on behalf of Jerry Rabinowitz. The note contains photographic illustrations of a bicycle, fanny pack, and whistle. It reads, in blue letters: "Our Friend Jerry."

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.

Collage with a hand drawn tree in the center; leaves comprised of multicolored tissue paper. Handwritten message and signature written in black ink on the lower left.

Card addressed to David Rosenthal, written using personal details from various public sources.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated 11/4/2018 and reads: "To the Tree of Life Synagogue, Our love and support go out to you. Only the Love of God in us can help to overcome such a tragedy and grief. Stay strong, stay united, and know that we at Point Loma Church in San Diego are praying for you and remembering you. With His Love, Geri [last name redacted]."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated 11/4/2018 and reads: "Dear Fellow Journeyers in Faith- May you experience others holding you in their caring arms during this time of loss and grief. Know you are not forgot. Know God can redeem this tragedy to bring about justice. -A friend in San Diego- Claudia."

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 a quote from 1 Peter 4:3 about love and a prayer for God's love. 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 is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside affirms the sender's belief in God. 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 is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside is addressed to God, and conveys the writers pain about the October 27 attack. The church's contact information is included on the back of the envelope.

Handwritten tag in silver ink on heavy cardstock lined on an orange backing. A small snail, labeled: "Certified and Official Snail Mail" is embossed on the upper center. The note reads: "With Love, Mark [last name redacted] Beaver Dam, WI." Dirt stains due to exposure to elements at the Wilkins memorial.