Post-it note with handwritten message and illustrations in green, blue, red, and black marker. The message reads: "He watching over Israel slumbers not nor sleeps." An illustration of houses on a hilltop with a river, trees, heart, and a moon and stars above, appears around the text.

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 inside reads: "There can't be light without the dark. We are praying for your safety and peace. Holy Angels CCD." Spelling errors corrected for clarity.

Post-it note with handwritten message in blue marker. The message reads: "When there is dark be the one who turns on the light."

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.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Dear Blessed Children of God, I am praying for you in these extremely difficult days. Know that you are being held in prayer. You are loved. Praying for Peace, Comfort, and a Hedge of Protection around you and your community. With love, A follower of Christ."

Card from two families in Edgewood, Pa. Front cover shows an illustration of two hands holding a cat's cradle yarn configuration with stars. Message expresses thanks to victims and their families.

Wooden pedestal painted white with white Star of David and red heart affixed to front. Handwritten in pencil and black marker on the Star of David is the name "Daniel Stein." Collaged onto the heart are white pieces of paper and a translation of Psalm 34:18: "The Lord is close to the broken hearted and saves those who are crushed in spirit." Accompanying image shows all 11 Stars of David in the series.

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: "We are your sisters and brothers and we stand with you today and every day. We love you and our prayers are with you." The church's contact information is included on the back of the envelope.

Oral history of Shawn Brokos, recorded as part of the Meanings of October 27th Oral History Project.

Post-it note with handwritten message in black marker. The message reads: "You are stronger than hate." Tape across the upper corners. Tearing due to exposure to the elements at the Wilkins memorial.

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.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front and back covers of the card contain illustrated Stars of David. The inside reads: "One God... One Love... One World. I am sorry for your pain and suffering. May God Bless you all. Howard E. [last name redacted]." A Star of David appears in the upper center.

Printed note in black ink on white paper. The note reads: "Love and Prayers for the 11 Slaughtered Innocents. Love Over Hate." A line of interfaith symbols including the Star of David, cross, crescent moon, Om, Kanda, and Dharma wheel appears below. Tearing and creasing due to exposure to the elements at the Wilkins memorial.

Print with various birds resting on the branches of a flowering tree folded in half to create an improvised card. The inside contains a handwritten sympathy note written in blue ink from a member of the autism community in Monroeville, Pa.

Post-it note with handwritten message in black ink. The message reads: "Z"L."

Card addressed to David Rosenthal. Cover features a reproduction of a painting by Frank Crosby, a resident of the Emmaus Community of Pittsburgh. The inside contains messages of love and support written by other members of the Emmaus Community.

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.

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.