Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Know that our loving God is with you all- always. Our love is with all of you hoping you can get through this before [?] God- God will [?] love your deep faith. Know we are here in Pt. Loma CA. Feeling your pain."

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 shell, legs, and neck. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Post-it note with handwritten message in blue marker. The message reads: "We love you. Love, Sophie."

Post-it note with handwritten message in green marker. The message reads: "Love will always win! Don't lose hope. -Gabi Z.-"

Card addressed to Rose Mallinger. 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.

Folded card with marker and colored pencil inscriptions. Cover reads: "Do not cry :-) That is sad." Inside reads: "I am very sad about the bad things that happened to you. I hope this never happens again. Luke [last name redacted for privacy]" and features stylized illustration of two stick figures, representing the writer "me" and the recipients "you guys" holding hands.

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."

Yellow laser print with inscription in black ink; blue heart. Blank back.

Post-it note with handwritten message in red marker. The message reads: "May God's Peace and Love grow in Pittsburgh and everywhere!"

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front cover of the letter reads: "Letters." The inside reads: "My prayers and love are with all of the members of your synagogue."

Handmade cardboard poster with black, red, blue, yellow, and green ink, reading: "Stronger Than Hate." The Stronger Than Hate Steelers' logo with the yellow Star of David appears in the center. The reverse, written in purple, pink, blue, and blank ink, reads: "No way to prevent this- says only nation where this regularly happens."

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Please do not stop your worship. Continue to pray for the people who really need it. Pray for those who need love. I love you so please do not stop worshipping or [be] scared to worship. Don't let the hate change your lifestyle. [Smiley face]."

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.

Unsigned card with handwritten note reading, "So sorry for your loss. Please know that ALL of Pittsburgh is UNITED with you! Much love [two heart symbols]."

Floral tag from floral arrangement addressed to Tree of Life synagogue. The message is printed on a tag from a local florist.

Card on light blue paper with the word: "Rooaar" [Roar] in the upper right. An illustration of a bridge with a sun peeking through appears in the center, alongside various other undecipherable illustrations. Extensive tearing due to exposure to the elements at the Wilkins memorial.

Flyer with photograph of people lighting candles above a yellow block with typed text. Text reads: "Memorial Havdallah, Join together with students & community to commemorate the Hebrew Yahrtzeit of Tree of Life victims" with date, time, location, and other details.