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 encouragement and the sender's prayers for God's blessing. 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 reads: "God Bless You." 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.

Floral tag from floral arrangement sent by Paul and Namoi [last name redacted]. The tag reads: "Praying for comfort for all who mourn. Isaiah 6, verse 2. Our sincerest condolences and love. Paul and Namoi [last name redacted]." Message is written in black ink on a printed tag with white lillies on the left edge.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover features a large Star of David and contains the following quote attributed to Albert Einstein: "Life is like riding a bicycle. To keep your balance, you must keep moving." The inside reads: "Dear Rabbi Jeffrey Myers, I am sorry for your loss, and violence. I am a student from all the way from Denver, Colorado. So from all of us from Colorado we give you good wishes. Sincerely, Will [last name redacted]."

Typed floral tag from Chestnut Hills Dental stapled to floral wrapping paper. Tape across the message. Extensive tearing and staining due to exposure to the elements at the Wilkins memorial.

Folded card with crayon illustration. Cover features brown abstract shape. Interior reads, "From Luke, I feel sorry for you. The bad guy is in jail. I still feel sorry. To synagogue people." Back features illustration of tree under a peace sign.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a turtle with floral and geometric motifs on its back, legs, and neck. The back contains a handwritten note and a sticker with blue text reading: "Stronger Together." The stock signature: "From your friends at West Allegheny Middle School" appears in the lower center.

Card from the Friendship Circle of Illinois. The front of the card features an illustration of 770 Eastern Parkway in Brooklyn, Ny., the international headquarters of the Chabad-Lubavitch movement. The inside reads: "To the Jewish community of Pittsburgh sheyichyu (may they live), I'm very sad to hear about the tragic passing of the eleven yidden (Jews) who were so brutally murdered al kiddush Hashem (sanctified by God). I hope there will be no more bad things that happen.

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.

Folded card with colored pencil illustration. Cover shows a tree. Inside reads: "I am so sorry for your loss. We are with you in spirit and in deed. As a former resident of Pittsburgh my heart breaks for you and your community."

Handwritten card in pencil on paper. The front cover features a Star of David in the center and reads in Hebrew: "L'chaim" (to life). The inside reads: "I'm so sorry for your loss. Sending you love, Mimi [last name redacted]." A Menorah appears in the center.

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

Post-it note with handwritten message in black marker. The message reads: "Love is strongest power exists." A Star of David appears below.

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]."

Collage with a hand drawn tree in the center; leaves comprised of multicolored tissue paper. Handwritten messages in pencil and pink ink on either side of the tree.

Folded card with colored pencil illustration. Front shows a tree in autumn with grass and falling leaves. Inside reads: "Nobody deserves to go through what you are going through. Best wishes to all. Love [heart] Beth Chai."

Laminated mixed media collage with paper, dried leaves, and marker. Tree in the center; two clouds and sun in upper register. Handwritten inscriptions in various marker colors on tree trunk and upper left. Minor bleeding to back and signs of water exposure; creasing.