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 the sender's prayer for peace, love, and unity. The church's contact information is included on the back of the envelope.

Folded card with marker illustration. Cover reads "Stella." Interior reads, "We at Beth Chai Congregation offer our deepest condolences. Wishing full healing to the wounded and peace to those who loves the victims" with two decorative hearts and a Star of David and the name Oona [last name and other personal information redacted for privacy] Md. Back cover features a collage of balloons, cats, and stickers, and the word "LOVE."

Single sheet folded in half. Contains photocopy of two pages from the "Readings: Prelude to Kaddish" section of the Kol Haneshamah Shabbat Vehagim prayerbook. One side contains the poem "Each Of Us Has a Name" in English and Hebrew. Other side contains "In Many Houses" by Diane Cole and "To open eyes when others close them" by Emmanuel Eydoux.

Printed card with the seven biblical laws of Noah. Each law is printed in the respective colors of the rainbow. Staining due to exposure to the elements at the Wilkins memorial.

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: "Pray for world peace. Praying for all. Love Wins!" The church's contact information is included on the back of the envelope.

Folded card with marker illustration. Cover features Star of David and four hearts. Interior features illustration of tree and messages "We stand with you" and "Beth Chai Congregation stands with you."

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 contains an illustrated tree, labeled "Tree of Life" and reads: "Tree of Life Members, I am really sorry for your loss. I'm praying for you everyday. May all people that have passed away rest in heaven peacefully, and all that are injured good luck to recovery. May all the souls' hearts that have been broken recover and rejoy: Much Love From, Elaina, Holy Angels Church, 6th Grade."

Post-it note with handwritten message in black marker. The message reads: "I was not here, but I live nearby. Had I been home I could have grabbed my baseball bat, and gone after Bowers."

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front and back cover contains the following quote attributed to the medieval Persian poet, Rumi: "Don't grieve, anything you lose comes around in another form." The words in the quote are overlaid with red, green, and blue shading. A large Star of David enclosed by three circles appears below. The upper flap inside reads: "Just because the light stopped shining, doesn't mean we're stuck in darkness. The moon comes out, but the sun still comes up every day.

Card addressed to Irving Younger, written using personal details from various public sources.

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.

Handwritten note signed by Noah of Toronto. Written in black ink on the back of stationary with the logo of Marriott Hotels. Staining due to exposure to the elements at the Wilkins memorial.

Preprinted card with handwritten message in black ink. Front of card reads, "You are being loved, prayed over, and held close in caring hearts."

Post-it note with handwritten message in green marker. The message reads: "May your memories be forever a blessing and may the Holy One hold in his Heart forever."

Post-it note with handwritten message in blue marker. The message reads: "Thank you, so many people who come to bear witness. You meant a lot to us." Signed with a heart.

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.

Handwritten note written in black marker on paper reading: "May the light you brought to this world continue to shine. -Fabers."

Triangle-shaped card from a student at Fountain Valley School in Colorado Springs, Co. The card reads: "Dear members of Tree of Life, I am a Chinese [student] who is now studying in U.S. I am sorry about the situation that happened recently. Personally, I support you, do not be afraid! Peace be with you." Star of David in the upper center, peace sign in the bottom center.

Card from the Friendship Circle of Illinois. On the left side, the card reads: "To the Jewish community of Pittsburgh sheyichyu (may they live), I will take upon myself to stay in shul (synagogue) at least for 3 aliyas (sections Torah reading where a congregant is called up to the reading podium). On the right side, the card contains cartoonish illustrations of a building and several figures. The acronym "B"SD" (with the help of heaven) appears on the upper right.