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 prayers for peace and unity. The church's contact information is included on the back of the envelope.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a leaf with geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of pineapple with floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Members and Friends of the Tree of Life Synagogue, I am sorry for your loss in the recent shooting. Our prayers are with those affected by the attack and we hope that everyone injured is able to recover. Sincerely, Ben from the Point Loma Community Presbyterian Church in San Diego."

Note addressed to Jerry Rabinowitz written on the back of a business card from Doug [last name redacted], a certified Pilates instructor in the Pittsburgh area.

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. The inside reads: "Dear Tree of Life members, I am keeping you and all of the others affected by this tragedy. My deepest sympathy, Molly [last name redacted] Holy Angels CCD."

Post-it note with handwritten message in red marker. The message reads: "99.9999999% of Americans are good and caring people!" Tape on the upper edge.

Post-it note with handwritten message in blue marker. The message reads: "You are loved. You are stronger than hate. Love and more love."

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 reads: "Our thoughts and prayers are with you all. God is with you always. God Bless." The church's contact information is included on the back of the envelope.

Envelope addressed to Rabbi Jeffrey Myers of Tree of Life. Front cover of the enclosed Hallmark card features floral imagery and says "Thinking of You." Inside reads: "My only connection to each of you is that of a fellow caring, loving human spirit that has the incredible gift of being able to learn and exist with all other living beings on this Earth. Even though that is my only tie to each of you, it is strong enough to share in your sadness and loss..." Continues on the back: "As a community and as a fellow human. May love always conquer hat and fear.

Flower pot covered in green burlap and tied with raffia ribbon. Pot contains blue and white synthetic flowers and synthetic leaves.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "I just want to send God's loving grace to you and your family to help you heal from the terrible act from a lost soul. We pray for you and everyone touched by this action. God Bless."

Post-it note with handwritten message and illustration in blue and green marker. The message reads: "Nothing is lost on the breath of G-d." An illustration of a dove holding an olive branch against the backdrop of cresting waves or mountains.

Trifold pamphlet on off white paper with typed text. Cover features photograph of chandelier from the Rodef Shalom Congregation sanctuary, quote by Ahad Ha'am, and congregational logo. Interior lists details for Friday night and Saturday morning services, lists the names of the victims of the October 27 attack, and reprints original poetry by Rabbi Danny Schiff, Chana Brody, and Valerie Bachrach. Back cover lists officers of the congregation. Two-page insert lists upcoming events at the congregation.

Video of "An Act of Valor" event held at the Heinz History Center, featuring October 27 attack survivors Dan Leger and Tim Matson and Rauh Jewish Archives Director Eric Lidji.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To Members of Tree of Life Synagogue, We are family and feel your grief. Prayers for our world to know and respect our roots together. Love and hope to you as you recover and move on with joy. Sincerely, Christi [last name redacted]."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Don't Stop Believing." The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Card with ballpoint pen illustration. One side reads "We Are With You" with zigzag decorations in corners. Reverse reads, "Don't worry. You are not by yourself. We will support you!" with illustration of hand reaching out.

Folded card with marker illustration. Cover features a tree with a heart in the leaves. Inside reads: "We stand with you :-) :-) :-)" and features a landscape with a tree in the center and the sun in the upper right corner. Back shows a tree with three five-pointed stars in the leaves.